What is the meaning of random variable?

random variable is a variable that takes on different numerical values for different points in an underlying probability space (q. V.). Example: The number of "heads" outcomes in five coin flips.

Barry Goldsmith
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APABarry Goldsmith. (2010). random variable. Retrieved September 20, 2026, from http://smartdefine.org/random_variable/definitions/1161710
ChicagoBarry Goldsmith. 2010. "random variable" http://smartdefine.org/random_variable/definitions/1161710 (accessed September 20, 2026).
HarvardBarry Goldsmith 2010, random variable, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/random_variable/definitions/1161710>.
MLABarry Goldsmith. "random variable" 21 October 2010. Web. 20 September 2026. <http://smartdefine.org/random_variable/definitions/1161710>
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