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Question: Let X be a geometric random variable with p=0.27 1. What is the probability that X=4 (the first success occurs on the 4th trial)

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Question: Let X be a geometric random variable with p=0.27 1. What is the probability that X=4 (the first success occurs on the 4th trial) 2. What is the probability that the first success will be on the 4th trial or before? That is (p s 4) 3. What is the probability that the first success will be after the 4th trial? (P>4)

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