Random variable

A random variable is an abstraction of the intuitive concept of chance into the theoretical domains of mathematics, forming the foundations of probability theory and mathematical statistics.The theory and language of random variables were formalized over the last few centuries alongside ideas of probability. Fully familiarity with all the properties of random variables requires a strong background in the more recently developed concepts of measure theory, but random variables can be understood intuitively at various levels of mathematical fluency; set theory and calculus are fundamentals.
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Noun
1. a variable quantity that is random
(synonym) variate, variant, stochastic variable, chance variable
(hypernym) variable, variable quantity

A function that assigns a real number to each and every possible outcome of a random experiment.

Random variable
(Econ) Biến ngẫu nhiên.+ Một biến chấp nhận những trị số tuỳ theo phân phối xác suất của nó.
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