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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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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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3. |
Suppose you spin one spinner numbered 1 to 3 and another spinner numbered 1 to 5, and multiply the two outcomes. What is the probability that the product will be odd? |
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4. |
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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5. |
To win the 2-of-7 lottery game, players must match two numbers from 1 to 7 with those selected in a random drawing. What is the probability of winning the game if order did not matter? |
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6. |
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 25,827,165 |
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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 54 |
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Hint |
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