Question: Let X be a random variable with the following probability distribution. Value x of X P(X-x) 0 0.05 10 0.40 20 0.45 30 0.10 Complete

Let X be a random variable with the following probability distribution. Value x of X P(X-x) 0 0.05 10 0.40 20 0.45 30 0.10 Complete the following. (If necessary, consult a list of formulas.) (a) Find the expectation E (X) of X. E(X) = 1 X 5 (b) Find the variance Var(X) of X. Var(X) =

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