Events A, B, and C in a sample space have P(A)=0.2, P(B)=0.4, and P(C)=0.1. Find P(A u Bu C) if A and B are mutually exclusive, A and C ara independent, and B and C are independent.

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Q: The joint pmf of X and Y are given in the table below: Y X 2 4 1 15 15 3 15 3 15 15

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Q: Find E(Y)

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