milkshakegrande101
11.07.2021 •
Mathematics
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 4.0 years. If 16 doctors are chosen at random for a committee, find the probability that the average age of those doctors is less than 45.5 years. Assume that the variable is normally distributed.
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Ответ:
-0.75
Step-by-step explanation:
-6 + 3 = -3
-3/4 = -0.75