By definition, a random variable is a real-valued function whose domain is the sample space of a random experiment. Option 2 captures this definition precisely.
Which is the most suitable definition for random variable among the options given below:
Held on 6 Aug 2022 · Verified 13 Jul 2026.
It is a relation between the events of a sample space and the numbers in [0,1].
It is a function defined from the sample space of a random experiment to the set of real numbers.
It is a table containing probability values
It is a function from the set of natural numbers to the numbers in [0,1]
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