Three Urns have the following composition of balls.
Urn I : 1 white, 2 black
Urn II : 2 white, 1 black
III : 2 white, 2 black
One of the Urn is selected at random and a ball is drawn. It turns out to be white. Find the probability that it come from Urn III.

Bag A contains 3 white and 2 black balls. Bag B contains 2 white and 4 black balls. One bas is selected at random and a ball is drawn from it . The probability that is is white is

A bag contains 2 white and 3 black balls and another bag contains 4 white and 2 black balls. One bag is selected at random and a ball is drawn from it. Find the probability that the colour of the ball is white.

Bag A contain 4 white and 5 blank balls. Bag B contains 5 white and 6 black balls. One bag is selected at random and a ball is drawn from it. The probability that is is white is

Three bags contains 3 red, 4 black balls, 4 red, 5 black balls, 5 red , 2 black balls. If one bas is selected at random and a ball is drawn from it then the probability that it is red is

An urn A contains 2 white and 3 black balls. Another urn B contains 3 white and 4 black balls.Out of these two urns, one is selected at random and a ball is drawn from it. If the ball drawn is black, then the probability that I. It is from urn A is 21/40, II. It is from urn B is 20/41 . Which of the following statements is correct

A bag contains 8 red, 6 white and 4 black balls. A ball is drawn at random from the bag. Find the probability that the drawn ball is not black.

A bag contains 5 red, 8 white and 7 black balls. A ball is drawn at random from the bag. Find the probability that the drawn ball is not black

Suppose that an, urn B_(1) contains 2 white and.3 black balls and another urn B_(2) contains 3 white and 4 black balls. One urn is selected at random and a ball is drawn from it: If the ball drawn is found black, find the probability that the urn chosen was B_(1).