Question 1. Random variables X and Y take values in {1,2,3}. Their joint pmf is shown in the following table. Find E[XY] and E[Y|X]. X = 1 X=2 X = 3 Y = 1 Y = 2 Y = 3 0.1 0 0.2 0 0.3 0 0.2 0.2 0

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