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One hundred identical coins, each with p...

One hundred identical coins, each with probability `p ,` of showing up heads are tossed once. If `0ltplt1` and the probability of heads showing on 50 coins is equal to that 51 coins, then value of `p` is, (A) `1/2` (B) `49/101` (C) `50/101` (D) `51/101`

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