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Unformatted text preview: p = 0 : 5. Then (a) P ( X = 0) = 0 : 25. (b) P ( X = 0) = 0 : 5. (c) P ( X = 0) = 1. (d) P ( X = 0) = 0 : 45. Problem 4 Let X be a Poisson random variable with expected value 7. Then (a) P ( X = 0) = 1 4 . (b) P ( X = 0) = 2 7 . (c) P ( X = 0) = e 7 . (d) P ( X = 0) = 1 8 . Problem 5 The geometric random variable is a special case of the negative binomial random variable with number of successes r = 1. This statement is (a) True. (b) False....
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 Spring '08
 Staff
 Probability

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