Question: H3 3. The joint probability mass function of X and Y, p(x, y), is given by p(1, 1) = 5, p(2, 1) = 3, p(3,

3. The joint probability mass function of X and Y, p(x, y), is given by p(1, 1) = 5, p(2, 1) = 3, p(3, 1) = ,, p(1, 2) = 9, p(2, 2) = 0, p(3, 2) = 18, p(1, 3) = 0, p(2, 3) = 6, p(3, 3) = , Compute E[X|Y = i] for i = 1, 2, 3. ANSWER: 3. E[X|Y = 1] = 2 But how?? E[X|Y = 2] = w/U 12 E[X|Y = 3] = 5

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