The width of a casing for a door is normally distributed with a mean of 24 inches and a The width of a casing for a door is normally distributed with a mea

The width of a casing for a door is normally distributed with a mean of 24 inches and a The width of a casing for a door is normally distributed with a mea

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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