Question: Let X be a discrete random variable with a mass function Show that the moment-generating function does not exist for this random variable. x=1,2, ...

Let X be a discrete random variable with a mass function
x=1,2, ... p(x)={x(x+1) 0, otherwise.

Show that the moment-generating function does not exist for this random variable.

x=1,2, ... p(x)={x(x+1) 0, otherwise.

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