High Quality Content by WIKIPEDIA articles! In mathematics a random variable is a variable whose value is a function of the outcome of a statistical experiment that has outcomes of equal probability e.g. the number returned by rolling a die. Random variables are used in the study of probability. They were developed to assist in the analysis of games of chance, stochastic events, and the results of scientific experiments by capturing only the mathematical properties necessary to answer probabilistic questions. Further formalizations have firmly grounded the entity in the theoretical domains of mathematics by making use of measure theory.

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