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RANDOM VARIABLE ANE DISCRETE PROBABILITY DISTRIBUTION — Statistics STD 12 Commerce — Question

Gujarat BoardEnglish MediumSTD 12 CommerceStatisticsRANDOM VARIABLE ANE DISCRETE PROBABILITY DISTRIBUTION1 Mark
Question
What is random variable$?$
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Answer

Let $U$ be a sample space of a random experiment.
A function which associates a real number with each outcomes of $U,$ is called a random variable and is denoted by symbol $X.$
Symbolically, it is represented by $X : U \rightarrow R.$

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