---
tag: 0E99F51GVB
kind: concept
name: Exponential distribution
aliases: [negative-exponential-distribution]
msc: ["60E05"]
sources:
  - url: https://en.wikipedia.org/wiki/Exponential_distribution
    locator: lead section
same_as:
  wikidata: Q237193
  wikipedia: Exponential distribution
---

## Summary

The exponential distribution with rate $\lambda$ is the law of a waiting time with no memory.
An example is the time between two events of a Poisson process.
The node [[exponential distribution|028Z8WC5Y9]] gives the precise definition.