e-2 2x Suppose the PMF of the random variable X is px(x): -I(0.1.2....(x) where ^>0. Obtain the MGF of X and derive the mean and variance from the MGF. x!

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4. Suppose the PMF of the random variable X is px(x):
-I(0.1.2....(x) where ^>0.
Obtain the MGF of X and derive the mean and variance from the MGF.
e-2 2x
x!
Transcribed Image Text:4. Suppose the PMF of the random variable X is px(x): -I(0.1.2....(x) where ^>0. Obtain the MGF of X and derive the mean and variance from the MGF. e-2 2x x!
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