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What is the Poisson distribution used to model?
in Data Science & Statistics by Platinum (141,884 points) | 91 views

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The Poisson distribution is used to model the number of events occurring within a given time interval.

The formula for the Poisson probability mass function is \(p(x ; \lambda)=\frac{e^{-\lambda} \lambda^x}{x !}\) for \(x=0,1,2, \cdots\)
\(\lambda\) is the shape parameter which indicates the average number of events in the given time interval.
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