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A bag contains (2n +1) coins. It is know...

A bag contains (2n +1) coins. It is known that n of these coins have a head on both side whereas the rest of the coins are fair A coin is plaked up at random from the bag and is tossed. If the probability that the toss results in a head is `(31)/(42),` deter8mine the value of n .

Text Solution

Verified by Experts

The correct Answer is:
`n = 10`
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