random variable
Orlaith Burke
Alejandra Gonzalez-Beltran
Philippe Rocca-Serra
a random variable (or aleatory variable or stochastic variable) in probability and statistics, is a variable whose value is subject to variations due to chance (i.e. randomness, in a mathematical sense)
aleatory variable
stochastic variable
wikipedia:
http://en.wikipedia.org/wiki/Random_variable
variable
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