Let the random variables X and Y have a joint PDF which is uniform over the triangle with verticies at (0,0),(0,1), and (1,0). Find the joint PDF of X and Y Find the marginal PDF of Y FInd the condtional PDF of X given Y Find E[X[Y=y], and use the total expectation theorem to find E[X] in terms of E[Y] Use the symmetry of the problem to find the value of E[X]

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