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- 1. Multiple Choice
Probability of landing on a purple number on this spinner
12.5%
10%
25%
50%
- 2. Multiple Choice
Probability of landing on an odd number on this spinner.
62%
50%
62.5%
0%
- 3. Multiple Choice
What is the probability of landing on a number on this spinner
100%
25%
0%
10%
- 4. Multiple Choice
What is the probability of rolling a 3 or a 2 on a six-sided die
16%
33%
0%
100%
- 5. Multiple ChoiceP(not A) =
*Remember to simplify.*6/83/42/81/4 - 6. Multiple ChoiceProbability can be expressed as a number between_____ and _____.0 and 1000 and 100 and 1-1 and 1
- 7. Multiple Choice
The probability of Sarah being chosen as a school prefect is
while the probability of Aini being chosen is . Find the probability that neither of them is chosen as a school prefect.1/6
1/12
2/5
5/12
- 8. Multiple Choice
The probability that a student is a librarian is 0.2. Three students are chosen random. Find the probability that all three are librarians.
0.2
0.6
0.002
0.008
- 9. Multiple Choice
A sample space of an experiment is given by S = {1, 2, 3, …, 20}. Event M and N are defined as follows:
M = {3, 6, 9, 12, 15, 18}
N = {1, 3, 5, 15}
Find P(M and N).
0.1
0.2
0.3
0.4
- 10. Multiple Choice
A box contains 20 chocolates. 5 of the chocolates are black chocolates flavour and the other 15 are white chocolates flavour. Two chocolates are taken at random from the box.
Find the probability that both chocolates are black chocolates.
- 11. Multiple ChoiceThere are 25 counters in a bag: 6 red,
4 white, 7 blue, and 8 yellow. You choose one counter at random. Which color are you least likely to choose?whiteblueredyellow - 12. Multiple ChoiceA store sells shirts that are either small, medium, or large. The colors are either red, blue, green, or white. What is the probability someone will select a large green shirt?1/31/71/91/12
- 13. Multiple ChoiceA coin and a number cube with the numbers 1 through 6 are tossed. What is the probability of the coin showing tails and the number cube showing the number 3?1/121/41/81/2
- 14. Multiple ChoiceRicardo has the spinner pictured here and a bag of marbles filled with 2 red marbles, 3 green marbles, and 3 blue marbles. What is the probability that Ricardo spins red on the spinner and picks a red marble out of the bag?1 ⁄ 161 ⁄ 21 ⁄ 41 ⁄ 8
- 15. Multiple Choice
When rolling a single die, the events of rolling an odd number and rolling a prime are mutually exclusive.
True
False
- 16. Multiple Choice
When rolling a single die, the events of rolling an even and an odd number are mutually exclusive.
True
False
- 17. Multiple ChoiceWhich of the following shows how to determine P(shaded number or number less than five)?4/8 + 4/8 - 2/84/9 + 2/8 - 4/84/8 + 6/8 + 2/82/8 + 4/8 - 4/8
- 18. Multiple ChoiceThe enrollment at Southburg High School is 1400. Suppose 550 students take French, 700 take algebra, and 400 take both French and algebra. What is the probability that a student selected randomly takes French or algebra?1250/1400700/1400550/140017/28
- 19. Multiple Choice
Given events such that P(A) = 0.9, P(B) = 0.11, and P(A or B) = 0.99. Are events A and B mutually exclusive or not?
Mutually Exclusive
Not Mutually Exclusive
- 20. Multiple Choice
A key ring has 12 keys, 3 of which open the house door. If two keys are randomly selected without replacement, what is the probability that neither key opens the door?
- 21. Multiple Choice
There are 9 movies showing at a theater. Two are action movies, two are children’s movies, and the other movies are comedies. Ashley randomly selects 2 different movies to see. What is the probability that the first movie is an action movie and the second movie is a comedy?
- 22. Multiple Choice
Sonia has 5 yellow hair clips, 2 red hair clips, and 3 blue hair clips in her purse. What is the probability that she will randomly select one yellow hair clip and one blue hair clip without replacement?
- 23. Multiple Choice
A stack of magazines has 5 news magazines and 10 sports magazines. Two magazines are drawn at random without replacement. What is the probability of selecting a news magazine first and then a sports magazine?
- 24. Multiple ChoiceWhich of the following shows how to determine P(packers or male)?75/150 + 90/150 - 50/15075/150 + 35/150 - 25/15050/150 + 40/150 + 25/15090/150 + 50/150 - 75/150
- 25. Multiple Choice
Amanda spins a spinner numbered 1 to 10. What is the probability that the spinner lands on an odd number or a number that is divisible by 3?
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