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The probability of a coin showing head i...

The probability of a coin showing head is p and then 100 such coins are tossed. If the probability of 50 coins showing head is same as the probalility of 51 coins showing head then p equals

A

`(1)/(2)`

B

`(49)/(100)`

C

`(51)/(101)`

D

`(50)/(101)`

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