Let X and Y be random variables for which the joint p.d.f. is as follows: f (x, y) = 2(x + y) for 0 ≤ x ≤ y ≤ 1, 0 otherwise.
Find the cumulative distribution function (c.d.f.) of X and Y.
Find p.d.f. of Z=X+Y.
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Let x and y be random variables for which the joint p.d.f is as follows
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