Poisson Distribution Calculator

The Poisson distribution is one of the most commonly used distributions in statistics.
This calculator finds Poisson probabilities associated with a provided Poisson mean and a value for a random variable.

P(X = 3): 0.14037

P(X < 3): 0.12465

P(X ≤ 3): 0.26503

P(X > 3): 0.73497

P(X ≥ 3): 0.87535

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