Question: PROBLEM DESCRIPTION: A weight distribution for males in a certain population is approximately normai with mean mu=170 pounds and standard deviation sigma = 30 pounds.

PROBLEM DESCRIPTION: A weight distribution for males in a certain population

is approximately normai with mean mu=170 pounds and standard deviation sigma =

PROBLEM DESCRIPTION: A weight distribution for males in a certain population is approximately normai with mean mu=170 pounds and standard deviation sigma = 30 pounds. Twenty-five men are selected. We are interested in the distribution of the average, x-bar, of 25 men if we repeated this study many times

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