A manufacturer knows that their items have a normally distributed length, with a mean of 18.2...

A manufacturer knows that their items have a normally distributed length, with a mean of 18.2 inches, and standard deviation of 5 inches.

If 6 items are chosen at random, what is the probability that their mean length is less than 14.9 inches?

Expert Solution

orchestra answered 2 years ago

A manufacturer knows that their items have a normally distributed length, with a mean of 8.1...

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