3. Find E(X) for the discrete random variable with the probability distribution below. X 0 2 4 6 8 P(x) 0.1 0.1 0.1 0.2 0.5 4. Find the mean of the discrete random variable with the probability distribution below. X 4 6 5 8 1 P(x) 0.2 0.2 0.2 0.3 0.1

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