random variable

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random variable

noun random variables

  1. broadly A quantity whose value is random and to which a probability distribution is assigned, such as the possible outcome of a roll of a dice.
  2. formal A measurable function from a sample space to the measurable space of possible values of the variable. Henceforth the symbol X(w) will be used for the random variable X#58;S#92;rightarrow#92;mathbb#123;R#125;.

    Similar: variate, random quantity, aleatory variable, stochastic variable

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noun measurable function from a sample space

Españolvariable aleatoria
日本語確率変数
DeutschZufallsvariable, Zufallsgröße
Ελληνικάτυχαία μεταβλητή tychaía metavlití
Românăvariabilă aleatorie, variabilă incidentală
العربيةمُتَغَيِّر عَشْوَائِيّ mutaḡayyir ʕašwāʔiyy
עבריתמשתנה מקרי mishtané mikrí

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MLA

"random variable." Wiktionary, via Micwyn, micwyn.com/word/random%20variable. Accessed 6 Nov. 2026.

APA

random variable. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/random%20variable

Chicago

"random variable." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/random%20variable.

BibTeX
@misc{random_variable_2026,
  title = {random variable},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/random%20variable},
  urldate = {2026-11-06}
}