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The mgf of random variable X is M(t) = 0.39 e^{0.18t} + 0.24 + 0.37 e^{0.82t}....

The mgf of random variable X is M(t) = 0.39 e^{0.18t} + 0.24 + 0.37 e^{0.82t}. Find expected value of 40X and expected value of 40/(x+0.4)

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