Question: Given a normal population whose mean is 555 and whose standard deviation is 72, find each of the following: A. The probability that a random

Given a normal population whose mean is 555 and whose standard deviation is 72, find each of the following:

A. The probability that a random sample of 7 has a mean between 564 and 587.

Probability =

B. The probability that a random sample of 15 has a mean between 564 and 587.

Probability =

C. The probability that a random sample of 21 has a mean between 564 and 587.

Probability =

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