Question: Random variables X and Y are distributed according to the joint PDF S ax, if 1 (a) Evaluate the constant a. (b) Determine the

Random variables X and Y are distributed according to the joint PDF

S ax, if 1 (a) Evaluate the constant a. (b) Determine the

Random variables X and Y are distributed according to the joint PDF S ax, if 1 (a) Evaluate the constant a. (b) Determine the marginal PDF fr(y). (c) Determine the conditional expected value of given that Y = (d) Random variable Z is defined by Z = Y - X. Determine the PDF fz(z).

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