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1. |
Bill has 4 quarters, 2 dimes, 6 nickels, and 8 pennies in his pocket. He takes one coin at random from the pocket. What is the probability that the coin is a dime or a nickel? |
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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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2. |
The letters of the alphabet are placed in a box. What is the probability of selecting a consonant or a letter from the word variable? |
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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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3. |
The number of professional football players is 1200. Suppose 500 are on the offense, 500 are on the defense, and 60 play both offense and defense. What is the probability that a football player selected at random plays on the offense or the defense? |
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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. |
There are 25 things that can break on a car. Seven are maintenance problems, 14 are small repairs, and 4 are major problems. If a problem occurs at random, what is the probability that it is not a major problem? |
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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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5. |
An office of 30 people is having a 10-person meeting, with the participants being chosen at random. If the department is comprised of 22 women and 8 men, what is the probability that at most 2 men are selected? |
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A. |
0.274 |
B. |
0.226 |
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C. |
0.452 |
D. |
0.548 |
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Hint |
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