Given that x has a poisson distribution with U=3, what is the probability that x

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Mathematics

Description

Given that x has a poisson distribution with U=3, what is the probability that x-7?

P(7)=

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Explanation & Answer

P(x=7 | mean =3) = exp(-3) * 3^7/7! = exp(-3) * 2187/5040= 0.021604

Alternatively, using Excel function

= poisson(7,3,0)= 0.021604


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