Question: Let X be a random variable with the following probability distribution. Value x of X P( X=x) 0.05 4 0.05 5 0.85 6 0.05 Complete

Let X be a random variable with the following probability distribution. Value x of X P( X=x) 0.05 4 0.05 5 0.85 6 0.05 Complete the following. (If necessary, consult a list of formulas.) (a) Find the expectation E (X) of X. E ( X) = 1 (b) Find the variance Var(X ) of X. Var(X) = 1

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