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Conditional Probabilityhard
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Let XXX be a random variable following a geometric distribution with parameter p=0.4p=0.4p=0.4, i.e., P(X=k)=(1−p)k−1pP(X=k) = (1-p)^{k-1}pP(X=k)=(1−p)k−1p. What is the conditional probability P(X>4∣X>2)P(X > 4 | X > 2)P(X>4∣X>2)?