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A manufacturer knows that their items have a normally distributed length, with a mean of 6 inches, and standard deviation of 0.8 inches. If
A manufacturer knows that their items have a normally distributed length, with a mean of 6 inches, and standard deviation of 0.8 inches. If 22 items are chosen at random, what is the probability that their mean length is less than 6.2 inches?
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Statistics Principles And Methods
Authors: Richard A. Johnson, Gouri K. Bhattacharyya
7th Edition
8126557745, 470904119, 978-0470904114
