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1. |
A set of counters is numbered 1, 2, 3, …, 12. Suppose you draw one counter without looking. What is the probability of choosing a number less than 4? |
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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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2. |
A set of 15 cards is numbered 1, 2, 3, …, 15. Suppose you choose one card at random without looking. What is the probability of choosing an odd-numbered 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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3. |
Suppose you are conducting a survey to determine whether the students in your school would prefer to go to the science museum or the art museum for the school field trip. Which method would produce a random sample? |
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A. |
asking the members of the after-school art club |
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B. |
asking 4 students from each homeroom class |
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C. |
asking your 3 best friends |
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D. |
asking the winners of the school science fair |
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Hint |
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4. |
Rosa conducted a survey of students' favorite types of music. The results are shown in the table. Of the 550 students in the whole school, how many would you expect to prefer Pop/Rock? |
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A. |
154 |
B. |
132 |
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C. |
264 |
D. |
396 |
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Hint |
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5. |
Suppose you randomly threw a dart 100 times at the dartboard shown. How many times would you expect it to hit the shaded region? |
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A. |
19 |
B. |
81 |
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C. |
38 |
D. |
10 |
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Hint |
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6. |
An ice cream sundae shop offers a choice of chocolate, vanilla, or strawberry ice cream, chocolate or caramel syrup, and nuts or no nuts on top. How many different types of sundaes can they make? |
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A. |
12 |
B. |
8 |
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C. |
4 |
D. |
6 |
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Hint |
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7. |
A number cube is rolled twice. What is the probability that the first roll is even and the second roll is not a 5? |
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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. |
At Colin's school, the pep club is selling two-colored tie-dyed shirts. Refer to the tree diagram. How many combinations of colors are available? |
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A. |
12 combinations |
B. |
9 combinations |
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C. |
6 combinations |
D. |
3 combinations |
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Hint |
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9. |
You are playing a board game with the spinner below. What is the probability that you will spin above a 5 on your next turn and your friend, Jon, will spin below a 3 on his? |
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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 box for a beanbag toss at a school festival is arranged as shown. Assume it is equally likely for a beanbag to land anywhere in the box. Predict how many times a beanbag will land in the 5-point section if it is thrown 15 times. |
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A. |
13 |
B. |
7 |
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C. |
5 |
D. |
2 |
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Hint |
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