A manufacturer knows that their items have a lengths that are skewed right, with a mean of 11.7 inches, and standard deviation of 1.2 inches. If 31 items are chosen at random, what is the probability...


A manufacturer knows that their items have a lengths that are skewed right, with a mean of 11.7 inches, and standard deviation of 1.2 inches.


If 31 items are chosen at random, what is the probability that their mean length is greater than 12.3 inches?


(Round answer to four decimal places)




Jun 03, 2022
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