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Solv eD.6 Ans is b

@ajay-chowdhury

The no of head comes out to be r has the probability

P=nCr (1/2)^99

so it will be max or min accordingly as nCr is max or min. Thus it is max when r=(99+1)/2 or (99-1)/2

r=50 or 49(ans)

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