. There are 3 coins in a box. The probability of getting head is `2/3` for two of them , while for remaining it is `1/2` . A coin is chosen at random and tossed 3 times, showing head in each case. What is the probability that the coin is unbiased?

Three unbiased coins are tossed. Find the probability of getting atleast two heads.

Find the probability of getting a head in a toss of an unbiased coin.

Find the probability of getting a head in a toss of an unbiased coin.

Three unbiased coins are tossed.What is the probability of getting at most two heads?

Two unbiased coins are tossed. Find the probability of getting two heads

There are two coins, one unbiased with probability 1/2 or getting heads and the other one is biased with probability 3/4 of getting heads. A coin is selected at random and tossed. It shows heads up. Then the probability that the unbiased coin was selected is

There are two coins, one unbiased with probability 1/2 of getting heads and the other one is biased with probability 3/4 of gatting heads. A coin is selected at random and tossed.It shows heads up. Then the probability that the unbiased coin was selected is-

When an unbiased coin is tossed, the probability of getting a head is ______.