(a) Find the moment generating function mx (t) for X. (b) Use the mgf for X to derive the formula for the mean of X, μ = E(X) = m'x (0). u (c) Use the mgf for X to derive the formula for the variance of X, o² = V(X) = E(X²) - [E(X)]² = m (0) - [mx (0)]².

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A:

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