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Definition of Random variable
1. Noun. A variable quantity that is random.
Exact synonyms: Chance Variable, Stochastic Variable, Variant, Variate
Generic synonyms: Variable, Variable Quantity
Derivative terms: Vary
Generic synonyms: Variable, Variable Quantity
Derivative terms: Vary
Medical Definition of Random variable
1. A variable that may assume a set of values, each with fixed probabilities or probability densities (its distribution), in such a way that the total probability assigned to the distribution is unity; the random variable may be discrete, continuous, or mixed discrete-continuous. (05 Mar 2000)