Suppose the moment generating function of a random variable X is given by Mx(t)= 1/4(3e^t + e^-t) Negative infinity < t

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answerhappygod
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Suppose the moment generating function of a random variable X is given by Mx(t)= 1/4(3e^t + e^-t) Negative infinity < t

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Suppose the moment generating function of a random variable X isgiven by Mx(t)= 1/4(3e^t + e^-t)
Negative infinity < t < infinity
Find the mean and the variance of the random variable X
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