Question: Let fX (x) = p (1 p) x I{0,1,...} (x) whereby Pr(X 1) = Pr(X > 1). Calculate E [X].

Let fX (x) = p (1 − p)

x I{0,1,...} (x) whereby Pr(X ≤ 1) = Pr(X > 1). Calculate E [X].

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