Three coins are tossed. If one of them shows tail, then find the probability that all three coins show tail.

Three coins are tossed simultaneously . Find the probability that tail appears on the middle one.

Three coins are tossed simultaneously . Find the probability that tail appears on the middle one.

Three coins are tossed together. What is the probability that first shows head, second shows tail and third shows head?

Three fair coins are tossed. Find the probability that they are all tails, if one of the coins shows a tail.

There are three coins. One is a two tailed coin (having tail on both faces) another is a biased coin that comes up heads 60% of the times and third is an unbiased coln. One of the three coins is chosen at random and tossed and it shows tail. What is the probability that it is a two tailed coin.

Three coins are tossed simultaneously. Find the probability that all coins show heads if at least one of the coins shows a head.

There are three coins. One is a coin having tails on both faces, another is a biased coin that comes up tails on both faces, anoter is a biased coin that comes up tails 70% of the time and the third is an unbiased coin. One of the coins is chosen at random and tossed, it shows tail. Find the probability that it was a coin with tail on both the faces.