Calculate P(X = k) = (λ^k · e^(-λ)) / k!
Calculate P(X = k) = (λ^k · e^(-λ)) / k!
Average number of events per interval.
Number of events to find probability for.
Probability of k events occurring in a fixed interval given average rate λ.
How this calculator works
Probability of k events occurring in a fixed interval given average rate λ.
Common questions about this calculator
