+A **random variable** is a function that assigns a numerical [outcome](/wiki/outcome) to each possible result of a random phenomenon. It quantifies the inherent uncertainty of an [event](/wiki/event), allowing mathematical analysis within the realm of [probability](/wiki/probability).
+## See also
+- [Probability Distribution](/wiki/probability_distribution)
+- [Expected Value](/wiki/expected_value)
+- [Stochastic Process](/wiki/stochastic_process)
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