SOLUTION: Given that has a Poisson distribution with u=3, what is the probability that x=1?

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Question 720968: Given that has a Poisson distribution with u=3, what is the probability that x=1?
Answer by Positive_EV(69) About Me  (Show Source):
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The pmf of a Poisson distribution is P(X = x) = e%5E%28-u%29%2A%28u%5Ex%29%2Fx%21. Plug in u = 3, x = 1, and you'll get P(X = 1) = .1493.