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1. |
Dave, Shareem, Li, and Katlin are deciding which two players will play the first game of checkers. They put their names into a hat and pull out two at random. What is the probability that the pair includes Katlin? |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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2. |
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. |
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B. |
 |
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C. |
 |
D. |
 |
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Hint |
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3. |
Suppose you roll two 10-sided dice with faces numbered 1 to 10 and added the two outcomes. What is the probability that the sum is 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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4. |
Suppose you roll two 10-sided dice with faces numbered 1 to 10. How many possible number pairs can you roll? |
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A. |
100 |
B. |
10 |
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C. |
75 |
D. |
50 |
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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. |
25,827,165 |
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B. |
18,595,558,800 |
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C. |
324,000 |
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D. |
54 |
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Hint |
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6. |
In the six-team playoff structure below, how many games does Team D have to win to win the playoff? |
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A. |
1 |
B. |
4 |
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C. |
3 |
D. |
2 |
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Hint |
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