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1. |
A number cube is marked with 1, 2, 3, 4, 5, and 6 on its faces. If you roll the cube one time, what is P(greater than 4)? |
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2. |
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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3. |
A marketing company is conducting a survey to determine America's most popular professional football team. Where would they be most likely to obtain a random sample? |
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A. |
by calling people from around the country on the telephone |
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B. |
Chicago's O'Hare Airport |
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C. |
at a Cleveland Browns game |
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D. |
in front of the White House |
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4. |
A standard six-sided number cube is rolled and a coin is tossed. What is the probability that the cube shows a 3 and the coin is tails? |
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5. |
John, Keri, and Carlos are working on a project for school. How many ways are possible for choosing two of them to make the oral report to the class? |
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A. |
2 |
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3 |
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4 |
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6 |
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6. |
Suppose you wanted to survey the favorite music of people in your school. Which method would produce a random sample? |
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A. |
surveying the kids in your home room |
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B. |
surveying your best friends |
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C. |
surveying a group of people outside of a country music concert |
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D. |
surveying the kids at one table at lunch |
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7. |
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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8. |
At summer camp you make 5 new friends in the first day. That night you find out that half of the people at camp are from another state. What is the probability that all the new friends you made are from your state? |
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9. |
What is the probability that a randomly thrown dart will land in the shaded region of the dartboard? |
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10. |
To win a prize, a dart must land on a gold section of the target shown. Assume it is equally likely that a dart will land anywhere on the target. What is the probability of winning a prize? |
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