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Please help me with this Let X be a random variable with the following probability distribution: Value x of X P (X -x) -2 0.35

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Let X be a random variable with the following probability distribution: Value x of X P (X -x) -2 0.35 -1 0.05 0 0.05 1 0.15 2 0.40 Find the expectation E (X) and variance Var (X) of X. (If necessary, consult a list of formulas. ) E(x) - X ? Var (x)

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