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Suppose that the joint distribution function of X and Y is given by f(x,y)=x+y If 0 < x < 1 and 0 < y

Suppose that the joint distribution function of X and Y is given by f(x,y)=x+y If 0 < x < 1 and 0 < y < 1, and 0 otherwise, find: a. the marginal density of X b. the marginal density of Y

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