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1. |
What is the probability of selecting a red or yellow marble from a bag that contains 20 red marbles, 15 yellow marbles, and 35 green marbles? |
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A. |
 |
B. |
1:1 |
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C. |
 |
D. |
 |
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Hint |
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2. |
A bag contains 7 purple marbles, 5 yellow marbles, 3 white marbles, and 1 black marble. What is the probability of randomly selecting a marble that is not purple? |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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3. |
Tabitha and Paco are in a video game room that consists of 10 games. If they only have enough money to play 6 games, how many ways can they play each of the 6 games once? |
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A. |
30,240 |
B. |
3,628,800 |
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C. |
720 |
D. |
151,200 |
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Hint |
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4. |
Find 12P4. |
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A. |
11,880 |
B. |
19,958,400 |
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C. |
42 |
D. |
95,040 |
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Hint |
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5. |
Find 8P3. |
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A. |
24 |
B. |
1,680 |
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C. |
336 |
D. |
21 |
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Hint |
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6. |
A composition teacher needs to choose 10 students out of 15 to serve as rough draft reviewers. A group of 10 seniors, 3 juniors, and 2 sophomores have volunteered. How many different ways can the teacher choose 10 students? |
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A. |
360,360 |
B. |
3,003 |
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C. |
36,036 |
D. |
133,133 |
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Hint |
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7. |
A bag contains 10 red marbles, 5 gray marbles, 12 black marbles, and 8 white marbles. Two marbles are randomly drawn from the bag without replacement. What is the probability of drawing a black marble followed by a red marble? |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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8. |
The table shows the results when a number cube was rolled. What is the experimental probability of rolling an even number? |
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A. |
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B. |
 |
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C. |
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D. |
 |
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Hint |
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9. |
The table shows the results of rolling a number cube over three separate experiments. What is the experimental probability of rolling a two for all three experiments? |
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A. |
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B. |
 |
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C. |
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D. |
 |
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Hint |
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10. |
The table shows the results of rolling a number cube over three separate experiments. What is the experimental probability of rolling a two for all three experiments? |
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A. |
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B. |
|
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C. |
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D. |
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Hint |
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11. |
In problem solving, a ______?______ is a model of a situation in which you carry out the trials, collect data and calculate probabilities. |
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A. |
simulation |
B. |
diagram |
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C. |
table |
D. |
pattern |
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Hint |
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12. |
A card is drawn at random from a standard deck of 52 playing cards. What is the probability that the card is a spade or a three? |
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A. |
 |
B. |
 |
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C. |
 |
D. |
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Hint |
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13. |
A bag of marbles has 3 green marbles, 3 red marbles and 6 yellow marbles. One marble is taken from the bag. It is not replaced. Then another marble is taken from the bag. What is the probability that the both marbles are red? |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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14. |
How many ways can a 3-person committee be chosen from 13 people if there are no restrictions? |
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A. |
143 |
B. |
858 |
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C. |
286 |
D. |
1716 |
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Hint |
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