Mathematics - Probability Question with Solution | TestHub

MathematicsProbabilityBinomial DistributionEasy2 minQB

MathematicsEasysingle choice

The mean and the variance of a binomial distribution are 4 and 2 respectively. Then the probability of 2 successes is

Answer:

Solution:

$np = 6$ $npq = 2 \Rightarrow q = \frac{1}{2}, p = \frac{1}{2}, n = 8$

Stream:JEESubject:MathematicsTopic:ProbabilitySubtopic:Binomial Distribution

⏱ 2mℹ️ Source: QB

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