Question: Let X and Y independent. Define Z = 3X determine its mean and variance. [Note: the pdf for Z is not easy to derive.]

Let X and Y independent. Define Z = 3X determine its mean

and variance. [Note: the pdf for Z is not easy to derive.]

Let X and Y independent. Define Z = 3X determine its mean and variance. [Note: the pdf for Z is not easy to derive.] - 2Y and

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