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Let X be a geometric random variable, and assume that Var(X) = 5. a) What is the conditional variance Var(X4X>4) ? Var(X4X>4) = b) What

Let X be a geometric random variable, and assume that Var(X) = 5.

a) What is the conditional variance Var(X−4∣X>4) ? Var(X−4∣X>4) =

b) What is the conditional variance Var(X−8∣X>4) ? Var(X−8∣X>4) =\r\n

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