Question: Suppose that the random variable X represents the length of a punched part in centimeters. Let Y be the length of the part in millimeters.

Suppose that the random variable X represents the length of a punched part in centimeters. Let Y be the length of the part in millimeters. If E(X) = 5 and V(X) = 0.25, what are the mean and variance of Y?

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