Question: 5. Suppose a > 2 and that the random variables X, Y have the joint density function fx,y(x, y) = (a 2)(a - 1)y- for

5. Suppose a > 2 and that the random variables X,

5. Suppose a > 2 and that the random variables X, Y have the joint density function fx,y(x, y) = (a 2)(a - 1)y- for 1 2 do we have that E[X] 2 and that the random variables X, Y have the joint density function fx,y(x, y) = (a 2)(a - 1)y- for 1 2 do we have that E[X]

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