The Average Age of Doctors in a Certain Hospital Is

question 47

Multiple Choice

The average age of doctors in a certain hospital is 48.0 years old with a standard deviation of 6.0 years. If 25 doctors are chosen at random for a committee, find the probability that the mean age of those doctors
Is less than 48.60 years. Assume that the variable is normally distributed.

• A) 0.3085
• B) 0.5715
• C) 0.6675
• D) 0.6915

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