---
tag: 0PNRKMRC55
kind: concept
name: Random variable
aliases: [random-quantity, stochastic-variable]
msc: [60A05]
sources:
  - url: https://en.wikipedia.org/wiki/Random_variable
    locator: lead section
same_as:
  wikidata: Q176623
  wikipedia: Random variable
---

## Summary

A random variable is a quantity whose value depends on the outcome of a random experiment.
Formally it is a measurable function on the sample space of a probability space. The node [[random variable|0DKRR22AEQ]] gives the precise definition.