Q. 155.0( 1 Vote )

Mark the correct alternative in the following:

If X follows a binomial distribution with parameters n = 100 and p = 1/3, then P (X = r) is

A. 32

B. 34

C. 33

D. 31

Answer :

Given:


n=100


p = 1/3


P(x=r)= nCr pr qn-r


Its maximum value is



Since is not an integer ; its value is


= 33.67


i.e. 33

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