: Box Model - Randomly selects and displays draws from a box. Some of the worksheets displayed are Probability, Probability, Blank spinners for probability activities, Spinner probabilities a, Spinner probability with critical thinking, Super spinners preview, Grade 6 2005 35, We are spinning in second grade. All Learning Standards Standard Content Area Subject. Chance and Probability SERIES TPC 2 F 1 Use red, yellow, green and blue pencils to shade these spinners: Show the probability of each event by placing a, b, c and d on the probability scale below: a You will get an even number when you spin Spinner 1. Instructions Click the +1 and -1 buttons to change the number of sectors. Probability If I have a biased spinner numbered 1 to five and the probabilities are as follows 1=0. 1) Beth and Shayna each purchase one raffle ticket. b is 7/8 Q5) there are 2 numbers a lot less thsn 3 so p,b = 2/8 =a million/4. This is an interactive resource that investigates experimental and theoretical probability based on a spinner. 2000 InnovativeClassroom. What the probability _____ of landing on an amount over $100? 3. Note: The probabilities for each event must total to 1. These simple plastic spinners turn very freely and are a useful resource when asking children to design their own probability experiment. Create New Sheet Share. Game modes. and as many of you start planning for Summer Camps, Library events and other group events over the summer, I have had a number of you request PRINTABLE DIY Fidget Spinner Instructions for you. CC ALG 2 Probability Review #2 5) The diagram above shows two spinners. They should predict the theoretical probability for colors on their spinner, and also the expected counts for each color. * Theoretical Probability is the mathematical chance that something should happen. On the top (numerator) of the fraction, we place the number of options we are looking for. Supplied in resealable bags of 10. Even though you may be able to say what the possible outcomes are (such as 1, 2, 3, or 4 for Spinner 6), you can't be sure which outcome will actually occur on any spin. Download, Fill In And Print Determining Spinner Probability Worksheet With Answer Key Pdf Online Here For Free. For this learning tool worksheet, students create spinners to be used when understanding the concept of probability. B) 30% C) 0. What is the probability of landing on each color after spinning this spinner?. Learners solve and complete 20 various types of multiple choice problems. Probability/chance. First, they use a spinner to find the probability for each number. 1 Basic Principles of Probability Class Activity 16A: Probabilities with Spinners 1. Probability Spinners - Which space is the spinner most likely, least likely to land on. Then click on the spinner to select it. One spinner will have 4 colors evenly divided and one will have four colors unevenly divided. Players bet on whether the coins will fall with both heads (obverse) up, both tails (reverse) up, or with one coin a head and one a tail (known as "Ewan"). green red blue black white When the spinner is spun, it can land on red, blue, black, white or green. What is the probability of the spinner landing on anything but A? favorable. In this case, the Customer Care team will remove your account from auto-renewal to ensure you are not charged for an additional year and you can continue to use the subscription until the end of your subscription term. : Box Model – Randomly selects and displays draws from a box. The probability of spinning and landing on a number greater than 13 is 0, because it is impossible to land on a number that doesn't appear on this spinner. Spinners demonstrate that the probability of a particular result from an action is the ratio of how many possible outcomes give you that result over the number of all possible outcomes. The spinner markup is just a single div. Vigliotta What Do You Expect? Connected Mathematics Project, CMP 2 Click on each of the spinners below to see them in action! Spinner A Spinner B 2. Question from Kim, a student: Zack has two spinners with numbers on them. What is the probability that the student is a girl?. Sally spins a fair spinner numbered 1-5 and rolls a fair dice. 6 (1 mark) Work out the probability of choosing two red balls. The spinner for a uniform (0, 0. Use these great matching cards to reinforce that probability ranges from 0 to 1. Probability If I have a biased spinner numbered 1 to five and the probabilities are as follows 1=0. • First player spins the spinner , takes that item to dress his/her snowman, and makes a tally mark next to that item on the Recording Sheet. Graphs Index. This is also true for any spinner. I am presuming here you have used CSS animations before for this tutorial. Statistics Definitions > Conditional Probability. A spinner is designed so that the score S is given by the following probability distribution. Chance and Probability Worksheets Our resources allow students to describe the probability of events and conduct chance experiments. 1 Basic Principles of Probability Class Activity 16A: Probabilities with Spinners 1. Tags in this resource: 5-Sector-Spinner---Maths-KS3-KS4. 2000 InnovativeClassroom. Learners solve and complete 20 various types of multiple choice problems. Probability Questions with Solutions. Probability is the likelihood that an event will happen. The probability of spinning and landing on a number greater than 13 is 0, because it is impossible to land on a number that doesn't appear on this spinner. When two events can occur at the same time, they are inclusive. -Students will work individually to answer question about chance spinners based on probability factors, ie, create a spinner with 2/3 red, what is the probability of red being landed on? -Fast Finishers/Extension Task Students then can log onto Scootle via the instructions on the class weebly and play a chance spinner activity – racing cars. In the spinner pictured below, there are 4 colours. Creating the CSS spinner markup. The spinner lands on: an even number. What is the probability of the spinner landing A or B? 3 out of 8 4. a) C is $1/3$ and B is $1/2$ so probability of C followed by B is $1/6$. You can also use two spinners to teach students about the probability of combined independent events. This application is ideal for classroom use. Click 'Play' to spin the spinner/s. : Box Model – Randomly selects and displays draws from a box. edx Education Suction Spinners - Set of 10 - Arrow Spinner for Games - Versatile Tool for Home and Classroom Probability Activities 3. Some games use spinners to give players their next moves. Even though you may be able to say what the possible outcomes are (such as 1, 2, 3, or 4 for Spinner 6), you can't be sure which outcome will actually occur on any spin. If you spin the spinner twice, what is the probability of spinning brown both. The fidget spinner math lesson download (scroll to the end of the post) Graphing and Probability Fidget Spinner Math Activity. The site consists of an integrated set of components that includes expository text, interactive web apps, data sets, biographical sketches, and an object library. Home > Math> Probability and Statistics>Probability Activity with Spinner. Probability - Worksheet #4 Bradley spun the spinner 40 times and recorded his results in the table. As you run more trials the numbers should tend to get closer to the predictions. These 4 1/2" square probability spinners with pointers, are great for math activities and math games. The other side right over there is tails. Random is a website devoted to probability, mathematical statistics, and stochastic processes, and is intended for teachers and students of these subjects. 25 (assuming it is actually fair!) is proportional to the area of that segment of the circle. 12 1 10 P(multiple of 3)- (Round to 4 decimal places) fullscreen. You count the number of sections with the result you want and then you place it over the. An unbiased spinner is shown below. Com Probability Using a Spinner 4 2 1 2 1 2 4 3 1 ) What is the probability of the spinner not landing on 1 or 3 ? _____5 out of 8 2 ) What is the probability of the spinner landing on 2 ? _____3 out of 8. Then there is an equally likely chance that the spinner can land on any of the sections. You can use the numbers, the animals, or a combination. Keep up the good work and God bless! Cara www. If the spinner is only 1 through 6, then there is a 16. What is the probability that the spinner will land on a number that is not a multiple of 11? Assuming the 80 numbers are equally probable, just count up the multiples of 11 and divide by 80. The Attempt at a Solution If you do a probability tree diagram. Use this online probability calculator to calculate the single and multiple event probability based on number of possible outcomes and events occurred. A 2-digit number. Think about the probability experiment of spinning Spinner 7, shown below. I want to make sure I have the correct understanding of conditional probability. Don't color the spinner. Here you'll calculate odds by using outcomes or probability. To understand and be able to apply geometric probability. What is the probability that you would assign to this event? Definition: The probability of an event A, written P(A), is the sum of the probabilities assigned to the individual outcomes in A. If the probability the spinner - Answered by a verified Math Tutor or Teacher We use cookies to give you the best possible experience on our website. the probability that the spinner lands on yellow is P(yellow) 1 4. Quick Answer. The following F1 drivers finished on the podium in the first ever Grand Prix of Bahrain. These printable math worksheets will help students learn about probability of random events. The spinner shows the prizes a person can win at a party. Working Subscribe Subscribed Unsubscribe 140. As soon as the fish appear, they have to determine the probability of the fish being caught. Keep up the good work and God bless! Cara www. Diameter of the spinner. If you are going to calculate the probability by looking at the sequences that give you the desired result, you must find the probability for every sequence and, if you are sure that they are all mutually exclusive, you just add them. Probability Unit 6 Problem: A spinner has 4 equal sectors colored yellow, blue, green and red. The probability that the spinner will land on six depends on how many numbers are on the spinner. Adjustable Spinner. Most of the high level science and math careers center around the mastery of these skills. The probability of the spinner landing on an odd number or a number between 4 and 15 (both numbers excluded) is ___. Name : Teacher : Date : Score : Math-Aids. What is the probability of choosing an odd number? Answer: What is the probability of choosing an even number? Answer: What is the probability of choosing a prime number? Answer: What is the probability of choosing 1 or 5? Answer: What is the probability of choosing 3 or 4? Answer: Probability - Spinner Answer key. What is the probability of the spinner landing on one of the first five letters of the alphabet? 7 out of 8 5. What is the probability of landing on $100 in two successive spins? _____ 4. 4 A Toss of a Coin. What is the probability that she will choose a pair of yellow socks in her first two picks if she doesn't replace the sock she draws first. Lesson&Title:&Mystery&Spinners& & Adapted’from’“The’Mystery’Spinner’Game”’lesson’in’Chance’Encounters:’Probability’in’’ ’ Games’and. With the built in activities you can practice BODMAS, algebraic substitution or challenge students to find the rule to produce a result using addition, subtraction, multiplication and division. The results of a color spinner experiment are shown in the table. Probability If I have a biased spinner numbered 1 to five and the probabilities are as follows 1=0. , The probability of drawing any card from a deck of cards. Also, games of probability icluding heads and tails. For a single spin, what is the theoretical probability of spinning green?. I like to use what's called a joint probability distribution. A spinner contains the numbers 1 through 80. Some of the worksheets for this concept are Probability, Probability, Blank spinners for probability activities, Grade 6 2005 35, Score teacher date, The probability scale, Fair coin work, We are spinning in second grade. 3) What is the probability of the spinner landing on Pop corn? 4) What is the probability of the spinner landing on Ice Cream? 5) Which prize would the spinner have the largest probability of landing on? 6) Which prize would the spinner have the lowest probability of landing on? 7) Would the spinner be more likely to land on Ice Cream or Pop corn?. Determining Spinner Probability Each worksheet has 12 problems examining the most probable, least probable or equally probable chance of landing on a section. Probability Spinners. But it would be sorely lacking the zest that’s dumped on us by all the people we. For example, for the first line, drag the fraction representing the probability of the spinner landing on yellow to the box in the Probability of First Event column. The fidget spinner craze has died down in my home. The results of a color spinner experiment are shown in the table. a) Draw a tree diagram to list all the possible outcomes. In what follows, S is the sample space of the experiment in question and E is the event of interest. The Attempt at a Solution If you do a probability tree diagram. Spinner can also be placed on top of a printed piece of paper or use dry-erase markers to fill in the circle to create a custom activity. The spinner is equally likely to land on red and blue, and unlikely to land on yellow. I know the. Two spinners. We are are learning basic probability in second grade. 4) If you spun the spinner 1 time, what is the probability it would land on a white piece? 5) If you spun the spinner 1 time, what is the probability of landing on either a white piece or a gray piece? 6) If you were to roll the dice one time what is the probability it will land on a 6? 7) If you were to roll the dice one time what is the. Depending on your teacher’s preference, you can write this probability as a fraction or a decimal. This Spinner Probability Worksheet is suitable for 2nd Grade. The concept of a sample space is also relevant for experiments where the outcomes are non-numerical. Tags in this resource: 5-Sector-Spinner---Maths-KS3-KS4. In Unit 8, seventh-grade students finish the year with their first encounter with probability. Probability Spinners. The probability of the second marble being blue is 4/19, since we have 1 less marble, but not 1 less blue marble. 1) Beth and Shayna each purchase one raffle ticket. This game in particular will help your kid learn how to answer some of those tough probability questions, such as, "How likely is it that the total of two rolled dice will be six?" or "What is the probability of rolling two threes?". Click 'Play' to spin the spinner/s. What is the probability you will roll a 1 on the dice, and get the letter A on the spinner. Search this site. Templates for Spinners A SPINNER IS A GREAT TOOL FOR ENSURING STUDENT PARTICIPATION! Use the spinner templates below to actively involve students in your lessons. Even though you may be able to say what the possible outcomes are (such as 1, 2, 3, or 4 for Spinner 6), you can't be sure which outcome will actually occur on any spin. Create a spinner of your choosing. Part 2: Terminology. coin toss probability calculator,monte carlo coin toss trials. Status: Waiting for your answers. Find the probability that it stops on (i) a shaded section, Answer(a)(i) (ii) a section numbered I. In what follows, S is the sample space of the experiment in question and E is the event of interest. Let's take a look at a slight modification of the problem from the top of the page. a 2-digit number. What is the probability of the spinner landing on C? 1 out of 8 2. For the first spinner, the scores 1, 2, and 3 are equally likely, and for the second spinner, the scores 1, 2, 3, and 4 are equally likely. The set of outcomes is given as…. An unbiased spinner is shown below. MathFLIX utilizes the technology of Quicktime movies to develop math skills in the NCTM standards. A probability equation is set up: P(A)= which means probability of "A" over the total possible outcomes. Event B is that you will need to go outside, and that has a probability of 0. We are are learning basic probability in second grade. Ask students to calculate the probability of the spinner landing on a primary color (red or blue). The game consists of spinning each spinner once. Then we got to spinners. probability spinner worksheet probability worksheets. How to Make a Paperclip Spinner That Spins Easily. a) Predict the number of times you will spin a number less than 4 in 20 spins. P(even or odd) 4. Spinners Home > Math Manipulatives, Supplies & Resources > Probability > Spinners Perfect for teaching probability and statistics and for use in math games and activities. Before you toss coins, roll dice, pick marbles, spin spinners, or draw cards, you need to know how to access the commands at the bottom of the TI-84 Plus Probability Simulation screen, how to seed the random number generator, and what the ESC command does. Only valid when the events are mutually exclusive. Number Probability Sabia spins the spinner once. Probability Game for Kids. Use the prize wheel to answer the questions. With the interactive spinner, students can modify the number of sections. In pairs, students then collaborate and negotiate to design and build their own spinner, choosing how many parts they want their spinner divided into and the colours of each part. MAKING PURPLE Spin each spinner once. Spinner n. What is the probability of the spinner landing A or B? 3 out of 8 4. Two dice are rolled and their numbers multiplied together. a Develop a uniform probability model by assigning equal probability to all outcomes, and use the model to determine probabilities of events. a) C is and B is so probability of C followed by B is. An explanation of probability and how it can be reflected in percent and fractions. Create one per team or table. So, for example, if we were to toss two coins, we know that there is an even chance of getting heads or tails for each. What is the probability of the spinner landing on anything but A? favorable. 3 D) All are true 9. In that one, you found that the probability of rolling a 6 on a twelve sided die was 1 12 (or, about 8%). Poke a hole in the middle of the spinner, then add a short toothpick. Review how to find the probability of more than one event occurring. 2000 InnovativeClassroom. The largest piece of Hedgren Transit Gate Large Expandable Spinner furnishings you will personal, price match assure, and variety of other available features you're guaranteed to be happy with our support and products. 9 out of 5 stars 14 $11. Students must decide which spinners have been used to generate the given bar charts and whether the sum or difference of the scores has been recorded. What is the theoretical probability of the given event with one spin? P(a multiple of 3) a. Kids will be able to easily review and practice their math skills. 2) The probability that it will snow in Paris on Christmas day is 0. A 2-digit number. W-hat is the probability that a person. Experimental Probability: Experiment with probability using a fixed size section spinner, a variable section spinner, two regular 6-sided dice or customized dice. If a total of eleven raffle tickets are sold and two winners will be selected, what is the probability that both Beth and Shayna win?. if the probability the spinner lands on b is twice that of a and. Tes Global Ltd is registered in England (Company No 02017289) with its registered office at 26 Red Lion Square London WC1R 4HQ. Word Problem Practice Probability Write each answer as a fraction, a decimal, and a percent. Transparent Blank Spinners can be used for various math and games and probability activities. I am presuming here you have used CSS animations before for this tutorial. Once you find your worksheet, click on pop-out icon or print icon. What is the probability of choosing an odd number? Answer: What is the probability of choosing an even number? Answer: What is the probability of choosing a prime number? Answer: What is the probability of choosing 1 or 5? Answer: What is the probability of choosing 3 or 4? Answer: Probability - Spinner Answer key. This fun game allows students to earn tokens to the fair by demonstrating their understanding of probability. 1) A die is rolled once. Free printable probability worksheets for kids from grade 1 to grade 3 include basic probability based on more likely, less likely, equally likely, certain and impossible events. Two spinners are included, each divided into parts. Probability with Spinners Directions: Select three of the spinners from the image below (you may pick more than one of each) such that the total number of sectors in all three spinners totals 10. B) 30% C) 0. Testing Your Knowledge 1. Look at the spinner and consider the probability of different outcomes. what is the probability? A spinner on a board game can land on any one of three regions labeled: a b and c. For example, "The probability of the pointer landing on purple is 2/9" - in this case click a spinner that is divided into 9 color regions, and that only 2 of them are purple. Marcus spun the spinner once and tossed a coin once. Easily check their work with the answer sheets. 1-suppose you simultaneously roll a standard die and spin a spinner with eight equal sectors, numbered 1 to 8. What is the probability of the spinner landing on anything but A? favorable. Some games use spinners to give players their next moves. The question is on Probability: If I have a spinner and then spinner has the numbers 1,2,3,4 on it and it is spun 3 times, what is the probability that the spinner will stop on 4,3,and 1 ? In that order? Can you help? If so thank you. a deck of cards where hearts represented a success. What the probability _____ of landing on an amount over $100? 3. Probability of Multiple Events 1. piece of gum, what is the probability she will select blue? A football team is selling raffle tickets for $5. Probability chances are categorized as impossible, less likely, equally likely, more likely or certain. Conducting Experiments. Worksheets based on identifying suitable events and simple spinner problems also included. This Expected Value Calculator calculates the expected value of a number or set of numbers based on the probability of that number or numbers occurring. b) Calculate the probability of getting blue on the spinner and head on the coin. For the spinner above, the probability of landing on black is 1/2, and the probability of landing on red is 1/3, Suppose it is spun three times. What is the probability that Issac will win the raffle? Kelvin will spin a spinner with five equal sections numbered 1 through 5. What is the probability that he will reach into his pocket and pull out a dime, and then without replacing it reach in and pull out a quarter? Probability Problem [6/4/1995] Given a box with 12 letters, one of which is a D, and 2 are E's. 6 (1 mark) Work out the probability of choosing two red balls. We have collected the most popular styles with strategies for how to place them and where to put them. Event B is that you will need to go outside, and that has a probability of 0. The probability of the second marble being blue is 4/19, since we have 1 less marble, but not 1 less blue marble. Review this math probability game--tell us what you think! Math Probability Matching: Match the spinners with the correct answer! Match the spinners with the correct answer. A 2 is an even number, so this would satisfy both, but you could also roll a 4 or 6. !Dennis has a bag of counters. This Probability Worksheet produces problems using a spinner. The spinner activity can display up to four spinners. Calculating the Odds of an Event. Facebook Twitter Pinterest Check out this fidget spinner math activity to practice probability and graphing with your homeschool. An unbiased spinner is shown below. The formula given above for the probability of two independent events can be extended to the probability of three or more independent events. Denoted as a joke, whereby the petite woman is so thin she is able to be mounted and spun in a circle on an erect penis. If you spin the spinner twice, what is the probability of spinning orange then brown? Brown 22. Make decisions, pick teams, use a a prize wheel. What is the probability that the spinner will land on a multiple of 3 ? Answer. To calculate the probability of a spinner with equal sections, you do the same as you did with the quarter. The Attempt at a Solution If you do a probability tree diagram. Example 1: Calculate P(spinning 2). Spinners are ideal for a wide variety of activities, and can be used cross-curricular in combination with probability. Is this correct? asked by Patrick on March 27, 2018; math 4. We usually want to know the probability of all those things actually occurring, not each one of them at a time. 20, P(B) = 0. What is the probability of each outcome?. Spin the spinner and tally the results at MathPlayground. Most of the high level science and math careers center around the mastery of these skills. Simply download and print these Probability Worksheets. Vigliotta What Do You Expect? Connected Mathematics Project, CMP 2 Click on each of the spinners below to see them in action! Spinner A Spinner B 2. 3 and 6 are the only multiples of 3 here. All Learning Standards Standard Content Area Subject. 4) If you spun the spinner 1 time, what is the probability it would land on a white piece? 5) If you spun the spinner 1 time, what is the probability of landing on either a white piece or a gray piece? 6) If you were to roll the dice one time what is the probability it will land on a 6? 7) If you were to roll the dice one time what is the. Statistics Definitions > Conditional Probability. General Tools. Since the spinner is divided into 8 equal sections, there are 8 equally likely outcomes. For example, if a student is selected at random from a class, find the probability that Jane will be selected and the probability that a girl will be selected. The probability of event A is the number of ways event A can occur divided by the total number of possible outcomes. Conducting Experiments. Ask students to calculate the probability of the spinner landing on a primary color (red or blue). The multiplication rule also deals with two events, but in these problems the events occur as a result of more than one task (rolling one die then another, drawing two cards, spinning a spinner twice, pulling two marbles out of a bag, etc). , the theoretical probability of spinning red is ¼ since there are 4 different-coloured areas that are equal. Data Management and Probability > Spinner with 3 Equal Sections Spinner with 4 Equal Sections Spinner. What others are saying Simple probability spinner clipart - fine for personal or commercial use! Browse clip art resources on Teachers Pay Teachers, a marketplace trusted by millions of teachers for original educational resources. By using their table, students are identifying the sample space for this compound event before they know the terms (compound probability, samples space). and using the theoretical probability of that outcome (e. 70, A and B are disjoint. You will spin the two spinners shown below to see how much money you will win. 23 30/350 = 0. Given that all the outcomes are equally likely, find the probability that: a) t Log On. Use our free, customizable online Spinner, which allows you to quickly create a custom spinner for games or whatever else you need it for!. the quality or state of being probable; something (such as an event or circumstance) that is probable…. This freebie is a fun way to get your kids excited about math! Let them use those fidget spinners productively as they learn about probability. You can use the numbers, the animals, or a combination. One Die Rolls: The Basics of Probabilities The simplest case when you're learning to calculate dice probability is the chance of getting a specific number with one die. Probability Tools. 1 Introduction to Probability Up Down Forward Reverse How can you predict the results of spinning a spinner? Play with a partner. What is the probability of the spinner landing A or B? 3 out of 8 4. This Statistics Worksheet may be printed, downloaded or saved and used in your classroom, home school, or other educational environment to help someone learn math. Spin the numbers and choose the required calculation. A spinner is used in this tutorial to demonstrate the concept of compound events. Probability Density Function. 3 colored spinners will appear on the screen. 1 - blue/yellow spinner (unknown proportions) Chapter 3 The probability curriculum Page 27, Figure 3. We found the theoretical probability of landing on each color in fraction form. How to Make a Paperclip Spinner That Spins Easily. Transparent Blank Spinners can be used for various math and games and probability activities. Depending on the activities you create on your own spinner cards, you can practise with numbers, colours, shapes, words, fractions, attributes and so much more!. Blue and red make purple so if one lands on red and the other lands on blue, YOU WIN!!! Task One: Research "theoretical probability" and "experimental probability". 70, A and B are disjoint. Then we got to spinners. Probability Spinners - Displaying top 8 worksheets found for this concept. They develop their understanding of probability through analyzing experiments, calculating theoretical probabilities, and designing and running their own simulations to model real-world situations (MP. A probability equation is set up: P(A)= which means probability of "A" over the total possible outcomes. The site consists of an integrated set of components that includes expository text, interactive web apps, data sets, biographical sketches, and an object library. Probability - Worksheet #4 Bradley spun the spinner 40 times and recorded his results in the table. That gives us four favorable outcomes. Probability with Spinners! Color in each of the spinners. Math Game Time’s free videos, games, and worksheets focus on helping children understand the underlying concepts and skills involved with probability. The odds stay the same regardless of what it landed on before or after the 11th flip of the coin. Find Our Lowest Possible Price Guccimen S Gg Velvet Weekender Bag are perfect for adding personality to your room. What is the probability that Issac will win the raffle? Kelvin will spin a spinner with five equal sections numbered 1 through 5. pre-HS Probability ____ A spinner consists of six equal regions as shown. ) Look at the spinner above and write the probability of spinning each symbol. Writing your answers as fractions in lowest terms, find the probability of each event. So, for example, if we were to toss two coins, we know that there is an even chance of getting heads or tails for each. The diagram shows a spinner with six numbered sections. PROBABILITY & COMPOUND EVENTS #1. If you are going to calculate the probability by looking at the sequences that give you the desired result, you must find the probability for every sequence and, if you are sure that they are all mutually exclusive, you just add them. PART 3 MODULE 5 INDEPENDENT EVENTS, THE MULTIPLICATION RULES EXAMPLE 3. Probability as the number of trials increases.