Calculate the probability the sample mean
A normal population has a mean of 62 and a standard deviation of 5. You select a sample of 40.
Calculate the probability the sample mean is:
(a) Less than 61.
(b) Between 61 and 63.
(c) Between 63 and 64.
(d) Greater than 64.
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A normal population has a mean of 62 and a standard deviation of 5. You select a sample of 40. Calculate the probability the sample mean is:
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