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A plastic casing for a magnetic disk is composed of two halves. The thickness of each half is normally distributed with a mean of 1.5millimeters and a stantard deviation of 0.1 millimeter, and the halves are independent.

a) Determine the mean and standard deviation of the total thickness of the two halves.

b) What is the probability that the total thickness exceeds 3.3millimeters?

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Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M91020037

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