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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
Can mean and variance in binomial distribution be equal? Why?
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Answer

No, mean and variance in binomial distribution cannot be equal. In binomial probability distribution value of mean is always more than its Variance. i.e. $np > npq.$

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