Poisson Distribution Calculator

Average rate of success:

Poisson Random Variable:

Poisson Distribution:


Poisson Distribution Calculator is a free online tool that displays the probability value for the given rate of success and the Poisson random variable. BYJU’S online Poisson distribution calculator tool makes the calculation faster and it displays the probability value in a fraction of seconds.

How to Use the Poisson Distribution Calculator?

The procedure to use the Poisson distribution calculator is as follows:

Step 1: Enter the average rate of success and the Poisson random variable in the respective input field

Step 2: Now click the button “Solve” to get the probability value

Step 3: Finally, the probability value using the Poisson distribution will be displayed in the output field

What is Meant by Poisson Distribution?

In Mathematics, the Poisson distribution is a discrete probability distribution which results from the Poisson experiment. It classifies the experiment into two different categories, such as success and failure. Generally, the Poisson random variable “x” defines the probability of the success of the experiment. From the average rate of success, the Poisson distribution probability can be easily calculated. Thus, the formula to determine the Poisson distribution function is given by

f(x) = (e λx) / x!


λ is called the average rate of value

x is called the Poisson random variable


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