Mathematics, 13.08.2020 20:01, eazywalters

A manufacturer produces a commodity where the length of the commodity has approximately normal distribution with a mean of 9.9 inches and standard deviation of 2.7 inches. If a sample of 48 items are chosen at random, what is the probability the sample's mean length is greater than 9.1 inches

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A manufacturer produces a commodity where the length of the commodity has approximately normal distr...