Q. 95.0( 1 Vote )

Mark the correct A. 1/2

B. 51/101

C. 49/101

D. none of these

Answer :




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

P(x=50)= 100C50 p50 q50


P(x=51)= 100C51 p51 q49


Equate both equations;

51-51p = 50 p

101 p = 51

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