If X be binomial distribution with mean np and variance npq, then find – InterviewSolution

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1.	If X be binomial distribution with mean np and variance npq, then find the`(P(x=k))/(P(x=k-1))`.A. `(n-k)/(k-1).p/q`B. `(n-k+1)/k.p/q`C. `(n+1)/k.p/q`D. `(n-1)/(k+1).p/q`
Answer» Correct Answer - B

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