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1. |
If the mean of three numbers is 4, what is their sum? |
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A. |
7 |
B. |
12 |
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C. |
27 |
D. |
64 |
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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. |
17 |
B. |
18 |
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C. |
20 |
D. |
19 |
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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. What is the probability that the product will be even? |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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4. |
Suppose two players each roll a die and 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. |
0 |
B. |
1 |
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C. |
2 |
D. |
4 |
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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. Find the number of ways the first six numbers can be selected (if order mattered.) |
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A. |
18,595,558,800 |
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B. |
324,000 |
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C. |
25,827,165 |
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D. |
54 |
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Hint |
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6. |
In the six-team playoff structure below, what is the probability that Team E will win assuming every team has an equal chance of winning? |
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 |
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A. |
 |
B. |
 |
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C. |
 |
D. |
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Hint |
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