Random variables X and Y have joint density f(x, y) k(ax by) 0 0 Find (i) k (as a function of a and b) (ii) The marginal distributions of X and Y (iii) The cdf of (X, Y )

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Question: Random variables X and Y have joint density f(x, y) = k(ax + by) 0 0. Find: (i) k (as a function of a and

Random variables X and Y have joint density f(x, y) = k(ax + by) 0 0,b> 0. Find: (i) k (as a function of a and b). (ii) The marginal distributions of X and Y . (iii) The cdf of (X, Y ).

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