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There are three coins. One is two headed...

There are three coins. One is two headed coin, another is a biased coin that comes up head `75%` of the time and third is an unbiased coin. One of the three coins is chosen at random and tossed. If it shows head, what is the probability that it was the two headed coin ?

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There are three coins, One is two headed coin, another is a biased coin that comes up head 75% of the time and thrid is an unbaised coin. One of the three coins is chosen at random and tossed. If its hows head, what is the probability that it was the two headed coin?

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There are three coins.One is a two headed coin (having head on both faces),another is a biased coin that comes up heads 75% of the time and third is an unbiased coin.One of the three coins is chosen at random and tossed,it shows heads,what is the probability that it was the two headed coin?