These Are A Few of My Favorite Things

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1 LESSON.1 Skills Practice Name Date These Are A Few of My Favorite Things Modeling Probability Vocabulary Match each term to its corresponding definition. 1. event a. all of the possible outcomes in a probability experiment 2. outcome b. a list of the possible outcomes and each outcome s probability 3. probability model c. one of the possible results of a probability experiment 4. sample space d. an outcome or set of outcomes in a sample space 5. probability e. contains all the outcomes in the sample space that are not outcomes of the event 6. complement of an event f. the ratio of the number of desired outcomes to the total number of possible outcomes Identify the similarities and differences between the terms. 7. uniform probability model and non-uniform probability model Problem Set Identify the sample space for each situation. 1. A number cube with sides labeled with 1 to 6 dots is rolled once. The sample space is 1, 2, 3, 4, 5, 6. Chapter Skills Practice 913

2 LESSON.1 Skills Practice page 2 2. An ice cream shop has a sale for its most popular ice cream flavors. Customers can have one scoop of ice cream in a cup or a cone, and the flavors on sale are chocolate, vanilla, and strawberry. It can be served with or without sprinkles. 3. You spin the spinner one time. Y X X Y W Y Y W Z Y X Z 4. A jar contains 3 red marbles, 4 blue marbles, 2 green marbles, and 1 yellow marble. 5. An even number between 1 and 15 is chosen at random. 6. A ball is chosen at random from the box. 9 Chapter Skills Practice

3 LESSON.1 Skills Practice page 3 Name Date Construct a probability model for each situation. Then state whether it is a uniform probability model or a non-uniform probability model. 7. A box contains 4 plain bagels, 2 blueberry bagels, 1 sesame seed bagel, and 2 cheese bagels. A bagel is chosen at random from the box. Outcomes Plain Bagel Blueberry Bagel Sesame Seed Bagel Cheese Bagel Probability 1, or , or , or , or This is a non-uniform probability model. 8. Janet has 3 pairs of blue socks, 2 pairs of white socks, 4 pairs of green socks, and 1 pair of brown socks. She chooses a pair of socks at random from a drawer. 9. A shape is chosen at random from the set. 10. There are 6 oranges, 4 apples, 3 kiwis, and 9 pears in your refrigerator. You randomly choose a piece of fruit to eat. Chapter Skills Practice 915

4 LESSON.1 Skills Practice page You randomly choose a block from the set. C B D B A A C A C D C D A D B B 12. A choral group consists of 5 sopranos, 3 altos, 4 tenors, and 3 bases. A group member is chosen at random to sing a solo at a concert. Determine the probability of each event, P(E), and its complement, P(E c ). 13. You spin the spinner one time P(greater than 7) P(not greater than 7) You write the letters A to K on separate index cards. Then you choose a card at random. P(vowel) 5 P(not a vowel) You choose a ball at random from the box. P(5) P(not a 5) Chapter Skills Practice

5 LESSON.1 Skills Practice page 5 Name Date 16. You have 5 quarters, 3 nickels, 2 dimes, and 6 pennies. You choose a coin at random. P(a coin worth more than 5 cents) 5 P(not a coin worth more than 5 cents) You choose a ball at random from the bag. P(shaded) 5 P(not shaded) Among the students in a class, 10 ride the bus, 3 walk, and 5 ride a car to school. A student is chosen at random. P(walk) 5 P(not walk) 5 Chapter Skills Practice 917

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7 LESSON.2 Skills Practice Name Date It s in the Cards Compound Sample Spaces Vocabulary Write the term that best completes each statement. 1. A is a collection or group of items. 2. Each item in a set is called an. 3. Sets that do not have common elements are called. 4. Sets that do have common elements are called. 5. and are two types of visual models that display sample space. 6. Events for which the occurrence of one event has no impact on the occurrence of the other event are. 7. Events for which the occurrence of one event has an impact on the following events are. 8. The states that if an action A can occur in m ways and for each of these m ways, an action B can occur in n ways, then Actions A and B can occur in m? n ways. Chapter Skills Practice 919

8 LESSON.2 Skills Practice page 2 Problem Set For each situation, identify the following. What are the actions? What are the outcomes of each action? Do the outcomes of each action belong to disjoint sets or intersecting sets? What events are described? Are the events independent or dependent? 1. You randomly choose one shaded block and one unshaded block. The actions are choosing a shaded block from the first set and choosing an unshaded block from the second set. The outcomes of choosing a shaded block are cylinder, pyramid, and cube. The outcomes of choosing an unshaded block are cylinder, pyramid, and cube. The outcomes of each action form disjoint sets because one set had shaded blocks and the other has unshaded blocks. The events are choosing a shaded block and choosing an unshaded block. The events are independent because the outcome of the first event does not affect the outcome of the second event. 2. A teacher randomly chooses 2 students from a class, Matt and Mia, to solve a math problem on the board. 920 Chapter Skills Practice

9 LESSON.2 Skills Practice page 3 Name Date 3. You spin the spinner and flip a coin, resulting in a 3 and tails up You randomly choose a number between 1 and 50. Your friend chooses a number between 51 and 100. Your choice is 6 and your friend s choice is 77. Chapter Skills Practice 921

10 LESSON.2 Skills Practice page 4 5. A bowl contains numbered cubes. You randomly withdraw a cube from the bowl, and then your friend randomly withdraws a cube from the remaining ones. Your choice is a 3 and your friend s choice is a The school lunchroom offers a choice of 5 different vegetable wraps. You randomly choose a different one each day. On the first day of the week your choice was a mixed vegetable wrap and on the second day your choice was a spinach and mushroom wrap. 922 Chapter Skills Practice

11 LESSON.2 Skills Practice page 5 Name Date 7. You randomly choose one numbered ping pong ball and then choose another numbered ping pong ball. Your first choice is an even-numbered ping pong ball and your second choice is an oddnumbered ping pong ball At the local deli, you can have your choice of bread and cheese on every sandwich. Your randomly choose rye bread and Swiss cheese. Chapter Skills Practice 923

12 LESSON.2 Skills Practice page 6 Sketch a tree diagram and write an organized list to represent each sample space. 9. Show all of the different 3-digit numbers using the numbers 4, 5, and 6. Tree Diagram: Organized List: Zack, Rick, Salim, and Sean race to the end of the field. Show all of the different ways of finishing in the top two spots. 924 Chapter Skills Practice

13 LESSON.2 Skills Practice page 7 Name Date 11. Lunch includes a drink of your choice. The options are orange juice, apple juice, or cranberry juice. What are the possible outcomes for your choice of drink on two days. 12. What are the possible outcomes for flipping a coin 3 times? Chapter Skills Practice 925

14 LESSON.2 Skills Practice page The pizza shop offers a weekly special that includes one free vegetable topping and one free meat topping with every large pizza. The vegetable toppings are peppers, mushrooms, onions, and olives. The meat toppings are sausage and pepperoni.. You just made it to the ice cream store before closing. The only remaining frozen yogurt flavors are strawberry, peach, and lemon. You can choose one scoop in a cup or one scoop in a cone. 926 Chapter Skills Practice

15 LESSON.2 Skills Practice page 9 Name Date Use the Counting Principle to determine the number of possible outcomes for each situation. Show your calculations. 15. There are 5 students scheduled to read their essays aloud in an English class one day. The teacher will randomly choose the order of the students. In how many different orders can the students read their essays? There are 120 different orders of the students possible. 5? 4? 3? 2? A restaurant offers a special price for customers who order a sandwich, soup, and a drink for lunch. The diagram shows the restaurant s menu. How many different lunches are possible? Cheese Chicken Ham and Egg Turkey Club Lunch Menu Sandwiches Soup Drinks Minestrone Chicken Noodle Vegetable Cola Tea Coffee 17. A website requires users to make up a password that consists of three letters (A to Z) followed by three numbers (0 to 9). Neither letters nor digits can be repeated. How many different passwords are possible? 18. Letter blocks are arranged in a row from A to H, as shown. A B C D E F G H How many different arrangements in a row could you make with blocks? 19. Gina has 12 favorite songs. She sets her audio player to continuously play songs, randomly selecting a song each time. How many different ways can Gina listen to 5 of her 12 favorite songs? Chapter Skills Practice 927

16 LESSON.2 Skills Practice page You spin the spinner shown in the diagram 5 times. How many different outcomes are possible? A photographer arranges 12 members of a soccer team in a row to take a group picture. How many different arrangements are possible? 22. The travel lock shown in the figure requires users to move the spinners to a 4-digit code that will open the lock. Each spinner includes the digits 0 to 9. How many different codes are possible with the lock? 928 Chapter Skills Practice

17 LESSON.3 Skills Practice Name Date And? Compound Probability with And Vocabulary Define each term in your own words. 1. compound event 2. Rule of Compound Probability involving and Problem Set Determine the probability of each individual event. Then, determine the probability of each compound event. Show your calculations. 1. The shell game consists of placing three opaque cups, representing shells, upside down on a table and hiding a ball under one of the cups, as shown in the diagram. A player, who has not seen where the ball is hidden, has to choose one of the cups. If the ball is hidden under it, the player wins. What is the probability that a player will win 5 times in a row? The probability that a player wins 5 times in a row is I calculated the answer by using the Rule of Compound Probability involving and. The probability of winning the shell game 1 time is 1 3. Let W represent the probability of winning the shell game 1 time. P(W) P(W, W, W, W, and W) 5 P(W)? P(W)? P(W)? P(W)? P(W) ? 3? 3? 3? Chapter Skills Practice 929

18 LESSON.3 Skills Practice page 2 2. There are 24 students in a math class. Each day, the teacher randomly chooses 1 students to show a homework problem solution on the board. What is the probability that the same student will be chosen 5 days in a row? 3. You spin each spinner in the diagram one time. What is the probability that the first two spinners land on a 1? Chapter Skills Practice

19 LESSON.3 Skills Practice page 3 Name Date 4. You randomly choose a block from each set below. What is the probability of choosing a block labeled W from the second set? A C D B X Y Z X A B B A X W W Z B B C D Z Y X W Chapter Skills Practice 931

20 LESSON.3 Skills Practice page 4 5. You randomly choose a marble from each set. What is the probability that both marbles with have stripes on it? 932 Chapter Skills Practice

21 LESSON.3 Skills Practice page 5 Name Date 6. A store is having a grand opening sale. To attract customers, the manager plans to randomly choose one of the first 50 customers each day for a prize. The prize giveaway will occur each day for 5 days. If you and a friend are among the first 50 customers each day, what is the probability that one of you will win the prize every day? Determine the probability that each event will occur. Then determine the probability that both or all of the dependent events will occur. Show your calculations. 7. A common deck of playing cards includes 4 aces. Altogether there are 52 cards. If you randomly choose 4 cards from the deck, what is the probability of choosing 4 aces? The probability of choosing all 4 aces is 1 270,725. I calculated the answer by using the Rule of Compound Probability involving and. 51, or 1 50, or The probability of choosing an ace first is 4 52, or The probability of choosing an ace second is 3 The probability of choosing an ace third is 2 The probability of choosing an ace fourth is P(ace 1st, ace 2nd, ace 3rd, and ace 4th) 5 P(ace 1st)? P(ace 2nd)? P(ace 3rd)? P(ace 4th) ? 1 17? 1 25? ,725 Chapter Skills Practice 933

22 LESSON.3 Skills Practice page 6 8. A bag contains 8 red ribbons, 7 green ribbons, and 3 yellow ribbons. If you randomly remove 3 of the ribbons from the bag, what is the probability that the first two ribbons will be yellow? 934 Chapter Skills Practice

23 LESSON.3 Skills Practice page 7 Name Date 9. A box contains discs with letters on them, as shown in the diagram. You randomly remove four of the discs, one at a time, and set them in a row on a table. What is the probability that the discs you remove will be, in order, A B C D? C A B A D C C A A D A B A B D D Chapter Skills Practice 935

24 LESSON.3 Skills Practice page Evan has 6 quarters, 4 dimes, 3 nickels, and 8 pennies in his pocket. If he randomly removes 3 coins from his pocket, what is the probability of choosing a quarter first? 936 Chapter Skills Practice

25 LESSON.3 Skills Practice page 9 Name Date 11. The table shows the birth months of students in a class. If 4 students in the class are chosen at random, what is the probability that they will all have birthdays in June, July, or August? Month January February March April May June Number of Students Month July August September October November December Number of Students Chapter Skills Practice 937

26 LESSON.3 Skills Practice page Alicia writes the numbers 1 to 45 on separate cards. She then randomly chooses three of the cards. What is the probability that the 2nd and 3rd cards will include the digit 9 in the number? 938 Chapter Skills Practice

27 LESSON.4 Skills Practice Name Date Or? Compound Probability with Or Vocabulary Answer each question. 1. In symbols, what is the Addition Rule for Probability? 2. When should you use the Addition Rule for Probability? Problem Set Use the Addition Rule for Probability to determine the probability that one or the other of the independent events described will occur. 1. You randomly choose a block from each set in the diagram. What is the probability that you will choose a block labeled with a T or a block labeled with a 6? K A T C Z K D R The probability of choosing a block labeled with a T or a block labeled with a 6 is I used the Addition Rule for Probability to determine the answer. Let T represent choosing a block labeled with a T. Let 6 represent choosing a block labeled with a 6. P(T or 6) 5 P(T) P(6) 2 P(T and 6) ( 1 8 )( ) Chapter Skills Practice 939

28 LESSON.4 Skills Practice page 2 2. The vegetable display at a market has exactly 48 apples and 36 oranges. Of these, 2 of the apples are rotten and 2 of the oranges are rotten. You randomly choose an apple and an orange from the display. What is the probability that the apple or the orange is rotten? 3. The sides of a 6-sided number cube are labeled from 1 to 6. You roll the cube 2 times. What is the probability that it will land with a 1 facing up the first roll or the second roll? 940 Chapter Skills Practice

29 LESSON.4 Skills Practice page 3 Name Date 4. You spin the spinner 2 times. What is the probability that it will land on a number greater than 9 the first spin or a number less than 6 the second spin? Chapter Skills Practice 941

30 LESSON.4 Skills Practice page 4 5. There are 28 students in a math class and 24 students in a history class. In each of the classes, 7 of the students are members of the school band. A student is chosen at random from each class. What is the probability that the student chosen in the math class or the student chosen in the history class is in the band? 6. You randomly choose a block from each set of shapes. What is the probability of choosing a pyramid from the shaded set or a cylinder from the unshaded set? 942 Chapter Skills Practice

31 LESSON.4 Skills Practice page 5 Name Date Use the Addition Rule for Probability to determine the probability that one or the other of the dependent events will occur. 7. You decide to randomly choose two days this week to go jogging. What is the probability that the first day you choose will be Monday or the second day you choose will be Tuesday? The probability of choosing Monday or Tuesday is I used the Addition Rule for Probability to determine the answer. P(Monday or Tuesday ) 5 P(Monday) 1 1? P(Tuesday) 2 P(Monday and Tuesday) ( 1 7 )( 1 6 ) You have 6 blue socks, 8 white socks, 4 green socks, and 2 brown socks in a drawer. You randomly remove 2 socks from the drawer. What is the probability that the first sock will be blue or the second sock will be green? Chapter Skills Practice 943

32 LESSON.4 Skills Practice page 6 9. The figure shows number cubes in a jar. Without looking, you randomly remove two cubes from the jar. What is the probability that the first cube you remove will have a 2 on it or the second cube you remove will have a 3 on it? You and a friend decide to sign up for soccer tryouts. Altogether, there are 42 people trying out. What is the probability that you will be chosen to try out first or your friend will be chosen to try out second? 944 Chapter Skills Practice

33 LESSON.4 Skills Practice page 7 Name Date 11. You choose two balls from the set in the figure and place both balls on a table. What is the probability that the first ball you choose will have stars on it or the second ball you choose will have stripes on it? 12. A standard deck of cards has 4 aces, 4 Kings, and 4 Queens. There are 52 cards altogether in the deck. One at a time, you randomly choose 2 cards from the deck and lay them on a table. What is the probability that the first card you choose is an ace or the second card you choose is a King? Chapter Skills Practice 945

34 LESSON.4 Skills Practice page You randomly choose two different numbers in the box below. What is the probability that the first number you choose will be in a shaded box or the second number you choose will be in a shaded box? You have 26 songs on your music player. Of these, 4 are your favorite songs. Your player is set to randomly play different songs until all 26 are played. If you listen to 2 songs, what is the probability that the first song played or the second song played will be one of your favorites? 946 Chapter Skills Practice

35 LESSON.5 Skills Practice Name Date And, Or, and More! Calculating Compound Probability Problem Set Determine the probability that each compound event will occur with replacement. 1. You randomly choose a number from the set, replace it, and then randomly choose another number. What is the probability of choosing a 2 first and a 3 second? The probability of choosing a 2 first and a 3 second is 1 9. P(2 1st and 3 2nd) 5 P(2 1st )? P(3 2nd) ? A box contains 25 marbles. There are 6 blue, 2 green, 8 red, 1 yellow, and 3 orange marbles. You randomly choose 3 marbles, one after the other. Each time, you replace the marble back in the box before choosing the next one. What is the probability that the first marble is green, the second marble is red, and the third marble is blue? Chapter Skills Practice 947

36 LESSON.5 Skills Practice page 2 3. You choose a shape at random from the box, replace it, and then choose another shape at random. What is the probability that the first shape is a triangle or the second is a square? 4. You choose a blocks at random from the set, replace it, and then choose another block. What is the probability that you will choose an A block the first time or a D block the second time? A B C C C D D D A B C C C D D D A B C C C D D D 948 Chapter Skills Practice

37 LESSON.5 Skills Practice page 3 Name Date 5. You have 4 quarters, 6 dimes, 3 nickels, and 9 pennies in your pocket. You randomly draw a coin out of your pocket, replace it, and then draw out another coin. What is the probability that the first coin is a quarter or the second coin is a dime? 6. A box contains 6 blue blocks, 4 green blocks, 8 orange blocks, 12 yellow blocks, and red blocks. You randomly choose 3 blocks from the box. Each time you choose a block, you replace it before choosing the next one. What is the probability of choosing a green block first, a yellow block second, and a blue block third? Chapter Skills Practice 949

38 LESSON.5 Skills Practice page 4 Determine the probability that each compound event will occur without replacement. 7. You randomly choose three shapes from the set, one after the other, without replacement. What is the probability that the first shape is a triangle, the second shape is a cube, and the third shape is a cylinder? The probability of choosing a triangle first, a cube second, and a cylinder third is P(triangle 1st, cube 2nd, or cylinder 3rd) 5 P(triangle 1st)? P(cube 2nd)? P(cylinder 3rd) ? 7 21? ? 3? A fruit bowl contains 6 apples, 2 pears, and 4 oranges. You randomly choose one fruit, and then without replacement, you choose another fruit. What is the probability that you choose a pear first or an orange second? 950 Chapter Skills Practice

39 LESSON.5 Skills Practice page 5 Name Date 9. You randomly choose one ball from the bag without replacement, and then choose another ball. What is the probability that you will choose a white ball first or a shaded ball second? 10. A teacher is dividing the 24 members of a class into groups to work on different projects. The letter A, B, or C is written on each of 24 cards, and the cards are placed in a box. There are eight A cards, six B cards, and ten C cards. Each student randomly draws a card from the box, without replacement, to determine the student s group assignment. What is the probability that the first student will draw out an A or the second student will draw out a B? Chapter Skills Practice 951

40 LESSON.5 Skills Practice page You have 8 black socks, 6 blue socks, 2 green socks, and 4 white socks in a drawer. You randomly draw out two socks, one after the other, without replacement. What is the probability that you will draw out a black sock first and a black sock second? 12. You draw a block at random from the set. Then, without replacing it, you draw another block at random from the set. What is the probability that the first block has a J on it or the second block has a K on it? J K J K J L M L M J K J K J 952 Chapter Skills Practice

41 LESSON.5 Skills Practice page 7 Name Date 13. A standard deck of 52 playing cards is composed of four cards each of aces, Kings, Queens, and Jacks, as well as four cards of each number from 2 to 10. You randomly draw out a card and, without replacement, then draw out another card. What is the probability that the first card is a numbered card or the second card is a King?. The diagram shows the tee-shirts that you have in a drawer. You randomly remove two tee-shirts from the drawer, one after the other, without replacement. What is the probability that the first tee-shirt will be blue and the second tee-shirt will be blue? White Blue Green Blue Yellow Red White Blue Green Blue Yellow Red Chapter Skills Practice 953

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43 LESSON.6 Skills Practice Name Date Do You Have a Better Chance of Winning the Lottery or Getting Struck By Lightning? Investigate Magnitude through Theoretical Probability and Experimental Probability Vocabulary Write the term that best completes each statement. 1. A(n) is the number of times an outcome occurs divided by the total number of trials performed. 2. An experiment that models a real-life situation is a(n). 3. A(n) is the number of desired outcomes divided by the total number of possible outcomes. Problem Set Solve each problem using the multiplication rule of probability for compound independent events. 1. You spin each spinner once. What is the probability of spinning a number less than 7 followed by spinning either A or B? A 10 3 F B 9 4 E C D 1 The probability of a spin resulting in a number less than 7 and an A or B is 6. Let,7 represent of a spin resulting in a number less than 7. Let L represent a spin resulting in the letters A or B. P(,7 1st and L 2nd) 5 P(,7 1st)? P(L 2nd) ? ? Chapter Skills Practice 955

44 LESSON.6 Skills Practice page 2 2. A 6-sided number cube is rolled three times. What is the probability that the first time the number will be greater than 4, the second time it will be an even number, and the third time it will be a multiple of 2? 3. An amusement park has job openings for high school students. Jake, Terrance, and Mia are each offered a job. They are allowed to choose two of the available types of jobs, and each will be randomly assigned one of the two types of jobs they have chosen. Jake chooses food service and custodial. Terrance chooses food service and operations. Mia chooses food service and merchandise. What is the probability that all three of the friends will be assigned the same type of job? Types of Jobs Number of Openings Food service 64 Games 76 Custodial 16 Operations 24 Merchandise 32 Warehouse Chapter Skills Practice

45 LESSON.6 Skills Practice page 3 Name Date 4. A website assigns a 5-digit password to you. Each digit is randomly chosen from 0 to 9. What is the probability that each digit in the password is less than 2? 5. You randomly choose a ball from each group. What is the probability that you will choose a red ball from each group? Group 1 Group 2 Yellow Blue Blue Blue Red Green Red Purple Blue Red Yellow Yellow Purple Red Purple Purple Yellow Blue Yellow Red Green Purple Red Green 6. You flip a coin 10 times. What is the probability that it will land heads up all 10 times? Chapter Skills Practice 957

46 LESSON.6 Skills Practice page 4 Solve each problem by determining the experimental probability using a random number generator on a graphing calculator. 7. Using the random number generator on a calculator, you press ENTER 40 times to simulate 200 trials. A number that represents a successful outcome appears 12 times. What is the experimental probability of a successful outcome? experimental probability Using the random number generator on a calculator, you press ENTER 60 times to simulate 300 trials. A number that represents a successful outcome appears 6 times. What is the experimental probability of a successful outcome? 9. Using the random number generator on a calculator, you press ENTER 35 times to simulate 175 trials. A number that represents a successful outcome appears 15 times. What is the experimental probability of a successful outcome? 10. Using the random number generator on a calculator, you press ENTER 65 times to simulate 325 trials. A number that represents a successful outcome appears 10 times. What is the experimental probability of a successful outcome? 11. Using the random number generator on a calculator, you press ENTER 50 times to simulate 250 trials. A number that represents a successful outcome appears 22 times. What is the experimental probability of a successful outcome? 12. Using the random number generator on a calculator, you press ENTER 30 times to simulate 150 trials. A number that represents a successful outcome appears 25 times. What is the experimental probability of a successful outcome? 958 Chapter Skills Practice

47 LESSON.6 Skills Practice page 5 Name Date Compare the theoretical probability and the experimental probability in each situation. 13. A bag contains 36 red balls, 17 green balls, and 28 white balls. You randomly choose 25 balls and 4 of them are red. Compare the theoretical and experimental probabilities of drawing a red ball out of the bag. The theoretical probability is greater. theoretical probability < 0.44 experimental probability You randomly choose a letter of the alphabet 30 times, and 5 of them are vowels (a, e, i, o, or u). Compare the theoretical and experimental probabilities of choosing a vowel. 15. You flip a coin 30 times and it lands on tails 18 times. Compare the theoretical and experimental probabilities of the coin landing on tails. 16. You roll a 6-sided number cube 25 times, and 15 of the rolls land on a number greater than 2. Compare the theoretical and experimental probabilities the cube landing on a number greater than 2. Chapter Skills Practice 959

48 LESSON.6 Skills Practice page You spin the spinner 50 times, and 32 of those times it lands on a number greater than 5. Compare the theoretical and experimental probabilities of the spinner landing on a number greater than A jar contains 12 silver marbles, 8 gold marbles, and 6 purple marbles. You randomly choose 10 of the marbles and 4 are purple. Compare the theoretical and experimental probabilities of choosing a purple marble. 960 Chapter Skills Practice

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