RANDOM VARIABLE ANE DISCRETE PROBABILITY DISTRIBUTION — Statistics STD 12 Commerce — Question
Gujarat BoardEnglish MediumSTD 12 CommerceStatisticsRANDOM VARIABLE ANE DISCRETE PROBABILITY DISTRIBUTION1 Mark
Question
State the conditions that $p (x)$ becomes a probability distribution.
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Answer
If for random variable $X.$
$(1)$ for all the values of $X$ of variable $X\ p(x) \geq 0$ and
$(2)\ \Sigma{p}(x) = 1$ then $p(x)$ is the probability distribution of variable $X.$
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