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1. |
A company e-mails the daily cafeteria menu to its employees at a random time between 8:00 a.m. and 9:00 a.m. What is the probability that the menu will be e-mailed between 8:00 a.m. and 8:20 a.m.? |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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2. |
What is the probability of rolling a number greater than 6 on a number cube? |
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A. |
|
B. |
 |
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C. |
1 |
D. |
0 |
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Hint |
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3. |
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. |
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D. |
 |
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Hint |
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4. |
Tabitha and Paco are in a video game room that consists of 10 games. How many different ways can they play all 10 games if they play each game once? |
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A. |
20 |
B. |
55 |
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C. |
3,628,800 |
D. |
362,880 |
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Hint |
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5. |
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. |
36,036 |
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C. |
133,133 |
D. |
3,003 |
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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. If the students are chosen randomly, what is the probability that 6 seniors, 2 juniors, and 2 sophomores will be selected? |
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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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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. |
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B. |
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C. |
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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 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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10. |
The table shows the results when a number cube was rolled. What is the experimental probability of rolling a number greater then three? |
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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. |
A card is drawn at random from a standard deck of 52 playing cards. What is the probability that the card is black or a face card? |
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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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12. |
A bag of marbles has 4 blue marbles, 1 red marble, 5 green marbles and 6 orange 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 first marble is red and the second marble is green? |
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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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13. |
Calculate 4P4 |
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A. |
24 |
B. |
12 |
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C. |
16 |
D. |
1 |
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Hint |
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14. |
Calculate 6C2 |
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A. |
8 |
B. |
60 |
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C. |
15 |
D. |
90 |
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Hint |
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