Consider the set Suppose that we choose a point (X,Y ) uniformly at random in E. That

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Consider the setE = {(x, y) ||x|+|y|  1}.

Suppose that we choose a point (X,Y ) uniformly at random in E. That is, the joint PDF of X and Y is given byfxy(x, y) = C (x,y)  otherwise

a. Find the constant c.

b. Find the marginal PDFs fX(x) and fY(y).

c. Find the conditional PDF of X given Y = y, where −1 ≤ y ≤ 1.

d. Are X and Y independent?

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