Question: 4. If the joint probability density function of the random variables X and Y is given by f(I, y) = 1 0 k(r' ty) for

4. If the joint probability density function of the random variables X and Y is given by f(I, y) = 1 0 k(r' ty) for (x, y) ED elsewhere where D is the region enclosed by r-axis, y-axis and a ty = 1. (a) Determine k. (b) Find P(Y > X). (c) Find the marginal density of X

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