1. A spinner and a number cube are used to play a game.
The sides of the cube are numbered 1 through 6. A player’s score is the sum of the numbers on which the spinner lands and the number rolled on the cube.
In your Answer Document, find the probability of getting a sum greater than 25. Show your work or provide an explanation to support your answer. (2 Points) CURE!
2. Jennie calculated the probabilities of various events involving a coin.
What is the probability of a coin landing on heads at least twice when the coin is flipped three times?
A. B. C. D.
3. Archie rolls two number cubes, each with sides numbered 1 through 6. He then finds the sum of the numbers on the tops of the cubes.
Which two sums have the same probability?
A. 3 and 4 B. 5 and 9 C. 5 and 8 D. 10 and 12
4. There are 3 red, 2 blue and 5 green marbles in a bag. William randomly chooses a marble and puts it back into the bag. He repeats this process 70 times.
How many times should William expect to draw a red marble?
A. 3 B. 21 C. 23 D. 30
Go to next page 5. Abby and Brittany are playing a board game. They determine how many spaces to move by spinning two spinners and adding together the numbers on which the spinners land.
Each player has only one more turn. Abby needs to move exactly 6 spaces to win, and Brittany needs to move exactly 8 spaces to win.
In your Answer Document, determine which girl has the greater probability of winning. Justify your answer by finding the probability for each girl. (2 Points) CURE!
6. The spinner shown is spun twice.
What is the probability of landing on pink and then landing on orange?
A. B. C. D.
7. There are two piles of number cards. One pile has four cards and one has three cards. The pile with four cards contains cards numbered 2, 4, 8, and 15. The other pile contains cards numbered 1, 4 and 9. One card is picked randomly from each pile.
What is the probability that the sum of the numbered cards is greater than 12?
A. B. C. D.
Go to next page 8. Jane is playing a game and rolls two number cubes. The faces of the cube are numbered 1 through 6. To win, she needs to roll two numbers that have a sum greater than or equal to 9.
Which model has a shaded area that represents the probability of winning?
A. B.
C. D.
9. Baldy Q’s Restaurant offers Burgers, Chicken Sandwiches, and Salads. The sides they offer are French Fries, Mac N Cheese, Green Beans, Baked Beans, and Cole Slaw. How many different ways can you order your dinner?
A. 12
B. 15
C. 75
D. 20
10. In a standard deck of 52 playing cards, what is the probability of drawing a club or spade?
A. 25%
B. 40%
C. 50%
Go to next page D. 100%
11. There are 10 orange counters and 15 red counters in a bag. What is the probability of picking an orange counter from the bag?
A. 1/5
B. 2/5
C. 1/2
D. 2/3
12. If Carmen spins the spinner two times what is the probability of the spinner landing on section B both times?
A. 1/16 B. ¼ C. 9/16 D. ¾
13. Neil tossed a number cube 90 times. He recorded how many times each number landed face up in the following table.
What number had an experimental probability that matched the theoretical probability?
A. 2 B. 3 C. 4 D. 5 Go to next page 14. Jen randomly picked one granola bar our of a box containing 4 chocolate chip, 3 oatmeal raisin, 3 peanut butter, and 2 honey nut granola bars. What is the probability that Jen picked a chocolate chip granola bar?
A. 1/12
B. ¼
C. 1/3
D. ½
15. There has 3 red marbles, 8 blue marbles, and 5 green marbles in a bag. She is going to pick one marble, put it back in the bag, and then pick another marble. What is the probability that Theresa will first pick a red marble and then a green marble?
A. 8/256
B. 15/ 256
C. 8/16
D. 15/16
16. Bradley spun the spinner 40 times and recorded the results in the table.
In your Answer Document tell now many times Bradley should have expected the spinner to land on green, according to theoretical probability. Also, tell which color had an experimental probability closest to its theoretical probability. Predict how many times the spinner will stop on green. Justify your prediction based on what you know about experimental and theoretical probability. (4 Points) CURE!
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