Question: A worn, poorly set-up machine is observed to produce components whose lengthX follows a normal distribution with mean14 centimeters and standard deviation3 centimeters. Calculate the

A worn, poorly set-up machine is observed to produce components whose lengthX

follows a normal distribution with mean14

centimeters and standard deviation3

centimeters. Calculate the probability that the length of a component lies between19

and21

centimeters.

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