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The average age of doctors in a certain hospital is 50.0 years old. Suppose the distribution of ages is normal and has a
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The length of country and western songs is normally distributed and has a mean of 200 seconds and a standard deviation of 30
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The average age of doctors in a certain hospital is 50.0 years old. Suppose the distribution of ages is normal and has a standard deviation of 4.0 years. If 16 doctors are chosen at random for a committee, find the probability that the average age of those
