There are three urns containing 2 white and 3 black balls, 3 white and 2 black balls and 4 white and 1 black balls, respectively. There is an equal probability of each urn being chosen. A ball is drawn at random from the chosen urn and it is found to be white. Find the probability that the ball drawn was from the second urn.

There are three urns containing 2 white and 3 black balls, 3 white and 2 black balls, and 4 white and 1 black balls respectively. There is an equal probability of each urn being chosen. A ball is drawn at random from an urn chosen at random and is found to be white. find the probability that the ball has bee drawn from the second urn.

Suppose there are 3 urns containing 2 white, 3 black balls, 4 white 1 black and 3 white, 2 black balls respectively. There is equal chance for selecting an urn. One ball is drawn from an urn chosen at random and it is found to be white. The prob. That it was drawn from the first urn is

The three urns having the numbers of white and black balls are given below : The probability of chosing every urn is equl. A ball is chosen randomly from the urn is found to be white. Then find the probability that the ball chosen was that form urn-2.

Three identical Urns I,ll and III contain 4 white and 3 red balls,3 white and 7 red balls and 2 white and 3 red balls respectively.An Urn is chosen at random and a ball is drawn out of it at random.If the ball is found to be white,what is the probability that Urn ll was selected?

Three urns contains 3 white and 2 black,2 white and 3 black and 1 black and 4 white balls respectively.A ball is picked from any urn at random.What is the probability that the ball is white?

Three identical urns contain white and black balls. The first urn contains 2 white and 3 black balls, the second urn 3 white and 2 black balls and the third urn 1 black and 4 white balls. An urn is chosen at random and a ball is drawn from it. If the ball drawn is white, what is the probability that the first urn is chosen ?

One urn contains 4 white and 2 black balls. Second urn contains 5 white and 4 black balls. Two balls are transferred from the first urn to the second urn. Then one ball is drawn from the second urn. Find the probability that it is white.

Three urns respectively contain 3 white and 2 black, 2 white and 3 black, and 1 white and 4 black balls. One ball is drawn from each urn. Find the probability that the selection contains 1 black and 2 white balls.