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1. |
Ben, Jenny, Angela, and Craig all ran in the 1-mile cross-country race. What is the probability that Jenny came in first? |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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2. |
If the mean of three numbers is 4, what is their sum? |
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A. |
12 |
B. |
27 |
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C. |
64 |
D. |
7 |
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Hint |
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3. |
Suppose two players each roll a die and find the difference between the numbers, subtracting the lesser number from the greater number. What is the probability that the difference is 0 or 1? |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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4. |
Suppose one player rolls a 6-sided die numbered 1 to 6, and a second player rolls an 8-sided die numbered 1 to 8. They find the difference between the numbers subtracting the lesser number from the greater number. Which difference gives the greatest probability? |
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A. |
2 |
B. |
4 |
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C. |
1 |
D. |
3 |
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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 18,595,558,800 |
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C. |
1 out of 25,827,165 |
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D. |
1 out of 54,000,000 |
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Hint |
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6. |
In a state lottery held twice per week, players choose 6 numbers from 1 to 54. Find the number of ways the first six numbers can be selected (if order mattered.) |
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A. |
324,000 |
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B. |
25,827,165 |
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C. |
18,595,558,800 |
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D. |
54 |
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Hint |
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