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1. |
Ben, Jenny, Angela, and Craig all ran in the 1-mile cross-country race. What is the probability that Craig finished ahead of Ben? |
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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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2. |
Three whole numbers have a mean of 4. How many such whole-number triples exist? |
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A. |
19 |
B. |
17 |
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C. |
18 |
D. |
20 |
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Hint |
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3. |
Suppose you spin two spinners, each numbered 1 to 4, and multiply the two outcomes. How many possible number pairs can you roll? |
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A. |
8 |
B. |
16 |
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C. |
4 |
D. |
10 |
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Hint |
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4. |
Suppose you spin two spinners, each numbered 1 to 4, and multiply the two outcomes. What is the probability that the product will be even? |
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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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5. |
In a state lottery held twice per week, players choose 6 numbers from 1 to 54. They win the grand prize if they match all 6 numbers in any order. What are your chances of winning the grand prize? |
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A. |
1 out of 54 |
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B. |
1 out of 54,000,000 |
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C. |
1 out of 18,595,558,800 |
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D. |
1 out of 25,827,165 |
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Hint |
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6. |
In the three-team playoff structure below, what is the probability that Team C will win assuming every team has an equal chance of winning? |
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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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