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1. |
A bag contains 4 green marbles, 3 red marbles and 3 blue marbles. Sharon picks a marble without looking. What is the probability that she will pick a red marble? |
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A. |
 |
B. |
 |
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C. |
 |
D. |
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Hint |
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2. |
Members of a soccer team have blue shorts, green shorts, and yellow shorts. They also have orange jerseys, white jerseys, brown jerseys, and black jerseys. How many different uniforms can they wear? |
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A. |
9 |
B. |
12 |
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C. |
6 |
D. |
15 |
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Hint |
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3. |
There are six different numbers on a number cube. Suppose you roll a red number cube and a black number cube. What is the probability of rolling a 3 on the red number cube and a five on the black number cube? |
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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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4. |
The local Humane Society needs to select 2 out of 4 cats to feature in a newspaper advertisement. One will appear in the Saturday paper, and the other will appear in the Sunday paper. How many ways can the cats be selected? |
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A. |
16 |
B. |
24 |
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C. |
12 |
D. |
2 |
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Hint |
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5. |
Find the value of C(13, 2). |
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A. |
156 |
B. |
13 |
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C. |
78 |
D. |
66 |
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Hint |
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6. |
How many ways can a committee of 2 girls and 1 boy be formed from a class of 13 girls and 7 boys? |
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A. |
1,092 |
B. |
169 |
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C. |
91 |
D. |
546 |
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Hint |
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7. |
There are 4 white marbles, 6 red marbles, and 2 blue marbles. Once a marble is selected, it is not replaced. Find the probability of selecting 2 blue marbles. |
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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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8. |
What percent answered yes to the survey question? |
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 |
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A. |
about 69% |
B. |
about 66% |
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C. |
about 31% |
D. |
about 34% |
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Hint |
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9. |
A polling service wants to choose a sample of 1,000 registered voters to check the popularity of a local Republican mayor. Which survey would yield the most accurate results? |
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A. |
Selecting 1,000 individuals from the local voter registration logs. |
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B. |
Selecting 1,000 individuals from the local Democratic party. |
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C. |
Selecting 1,000 individuals from a neighboring state. |
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D. |
Selecting 1,000 individuals from the local Republican party. |
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Hint |
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10. |
A card is drawn at random from a standard deck of playing cards. What is the probability of drawing a King? |
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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 marble bag contains 3 red marbles, 4 gray marbles, 6 white marbles, and 5 black marbles. What is the probability of randomly drawing a red marble and then a gray marble if the first marble is replaced? |
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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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12. |
The chart shows the data from rolling a number cube. What is the experimental probability of rolling a 2? |
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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. |
What is the theoretical probability of rolling a number cube two times and getting a 3 on both occasions? |
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A. |
 |
B. |
 |
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C. |
 |
D. |
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Hint |
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14. |
Consider all of the five-digit numbers that can be formed using the digits 1, 2, 3, 4, and 5 where no digit is used twice. Find the probability that one of these numbers picked at random is an even number. |
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A. |
60% |
B. |
80% |
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C. |
20% |
D. |
40% |
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Hint |
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