Random variable

English

Noun

1. Template:Lb 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. Template:Lb A measurable function from a sample space to the measurable space of possible values of the variable.
   • Template:Quote-book
   • Template:Quote-book
   • Template:Quote-book

Usage notes

Especially in discrete cases, a random variable is sometimes said to be indexed by the domain of its defining function, leading to notations such as $X[n]$ and $X_i$ to represent particular values of the codomain.

Synonyms

• variate
• Template:Sense Template:L
• Template:Sense Template:L, Template:L

Derived terms

• Template:L
• Template:L

Translations

• Arabic: Template:T
• Czech: Template:T
• Esperanto: Template:T
• Finnish: Template:T
• German: Template:T+, Template:T
• Greek: Template:T
• Hebrew: Template:T+
• Hungarian: Template:T+, Template:T
• Icelandic: Template:T+, Template:T, Template:T, Template:T
• Japanese: Template:T
• Maori: Template:T
• Polish: Template:T+
• Romanian: Template:T, Template:T
• Spanish: Template:T
• Swedish: Template:T
• Tagalog: Template:T
• Ukrainian: Template:T
• Welsh: Template:T