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A box contains n coins, Let P(E(i)) be t...

A box contains n coins, Let `P(E_(i))` be the probability that exactly `i` out of n coins are biased. If `P(E_(i))` is directly proportional to `i(i+1),1 leilen`.
Q. If P be the probabiloity that a coin selected at random is biased, then `lim_(xto oo) P` is

A

`1/4`

B

`3/4`

C

`3/5`

D

`7/8`

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