Linked from
The 85 pages that link to Random variable, each with the reason it gives.
Outcome (probability)Related: It converts outcomes into values that can be analyzed numerically.
Bienaymé's identityNarrower topic: Bienaymé's identity applies to sums of random variables.
Disordered systemsNarrower topic: Random variables provide a basic language for describing disorder.
Infinite monkey theoremNarrower topic: Character choices can be modeled as random variables.