Multiple Choice
The average age of doctors in a certain hospital is 45.0 years old. Suppose the distribution of ages is normal and has a standard deviation of 8.0 years. If 9 doctors are
Chosen at random for a committee, find the probability that the average age of those
Doctors is less than 46.9 years. Assume that the variable is normally distributed.
A) 25.8%
B) 59.8%
C) 24.2%
D) 75.8%
Correct Answer:

Verified
Correct Answer:
Verified
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