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There are three coins . One con has tail...

There are three coins . One con has tails on both side. Another is a biased coin that shows tails in 75% cases. The third coins is unbiased.. One of the three coins is chosen at random and tossed it showed tail. What is the probability that it is first coin.

A

`2//9`

B

`1//3`

C

`4//9`

D

`5//9`

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Verified by Experts

The correct Answer is:
C
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