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1. |
Two number cubes are rolled twice. What is the probability of rolling doubles on the first roll and then rolling a sum of 5 on the second roll? |
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Hint |
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2. |
There are 11 pennies, 7 nickels, and 9 dimes in a bowl. If 2 coins are selected at random, find the probability of selecting a nickel then a dime if the first coin is not replaced. |
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3. |
A set of counters is numbered 1, 2, 3, …, 12. Suppose you draw one counter without looking. What is the probability of choosing a number less than 4? |
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Hint |
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4. |
The following table shows the results of rolling a number cube twenty times. What is the experimental probability of rolling a 4? |
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Hint |
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5. |
Use a tree diagram to help you find the probability of rolling a 4 on a number cube on the first roll, and a 5 on the second roll. |
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Hint |
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