Poisson Distribution – Introduction

A Poisson distribution is the chance of the amount of events that occur in a specified period. The events occur independently of one another and once the expected number of events is known. The symbol denotes the predicted number of events that happen during the period. The chance that you will find just x occurrences in the interval can be determined by the formula –


– where e is a constant equal to about 2.71828 (the base of the natural logarithm system), is the anticipated number of events that occur in the interval, x is the real number of events that occur in the interval, and x! is the factorial of x.

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