Poisson Distribution Calculator
Assume independent events at a constant rate; find exactly k occurrences in the same interval.
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Assume independent events at a constant rate; find exactly k occurrences in the same interval.
Worked example
Inputs
- Mean count per interval λ: 2
- Occurrences k: 0
Results
- Probability of exactly k: 13.53352832 %
Assume independent events at a constant rate; find exactly k occurrences in the same interval.
Reviewed:Common uses
Assume independent events at a constant rate; find exactly k occurrences in the same interval.
BEHIND THE NUMBERSFormula & assumptions
P(X=k)=e⁻λ λᵏ/k!
Assume independent events at a constant rate; find exactly k occurrences in the same interval.