SOLUTION: Given that x has a Poisson Distribution with u(mean)=9, what is the probability that x = 4?

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Question 564604: Given that x has a Poisson Distribution with u(mean)=9, what is the probability that x = 4?
Answer by ad_alta(240) About Me  (Show Source):
You can put this solution on YOUR website!
P(4)=(9^4)(e^-9)/4!=0.033737(approximately)