Question: A discrete random variable X is such that Show that EX = . That is, X has no mathematical expectation. P(X = 2)= - 1,2,.

A discrete random variable X is such that
P(X = 2

Show that EX = ˆž. That is, X has no mathematical expectation.

P(X = 2")= - 1,2,. ... 2"

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