Question
Asked Jun 18, 2019
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Suppose that the random variable X represents the length of a punched part in meters. Let Y be the length of the part in inches. Please report your answer in 2 decimal places.

  • If E(X) = 5.6, what is the mean of Y?

1 m = 39.37 inches

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Expert Answer

Step 1

Expected value:

For a discrete random variable X, the expected value is the mean of the distribution. The expected value for X is denoted by E(X).

Step 2

Mean of Y:

It is given that X represents the length of a punched part in meters.

And, Y represents the length of the punched part in inches.

Mean of the Y can...

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Image Transcriptionclose

E(X) 5.6 E(Y) 5.6x 39.37 [since 1 m = 39.37 inches] -220.47

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Probability

Basic Probability

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