Probability theory

Poisson: up to k events

Poisson: up to k events is a statistical property of events or a data set.

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P(X≤k)=Σe⁻λλⁱ/i!

What it means

Poisson: up to k events is a statistical property of events or a data set.

How it works and where it is used

Use this calculation for estimating rare-event counts over a time interval, area, or volume.