The exponential and Poisson distributions are closely related.

Question

Quizplus · Accepted Answer

The Poisson distribution is often used to model the number of events occurring in a fixed period of time, while the exponential distribution is often used to model the time between events in a Poisson process. Therefore, they are closely related. In fact, the exponential distribution can be derived from the Poisson distribution, and the Poisson distribution can be derived from the exponential distribution.

The Exponential and Poisson Distributions Are Closely Related