An urn contains 2 white and 3 black balls a ball is drawn at random it is white it isn't replace into the urn otherwise it is replaced along with another ball of same colour the process is repeated find probability that third ball is white

An urn contains 2 white and 2 black balls. A ball is drawn at random. If it is white, it is not replace into urn, otherwise it is replaced along with another ball of the same colour. The proccess is repeated, find the probability that the third ball drawn is black.

An urn contains 2 white and 2 black balls.A ball is drawn at random.If it is white,it is not replace into urn,otherwise it is replaced along with another ball of the same colour.the process is repeated,then find the probabiltiy that the third ball drawn is black.

An urn contains 2 white and 2 black balls .A ball is drawn at random.If it is white ,it is not replace into urn ,otherwise it is replaced along with another ball of the same colour .the process is repeated , then find the probabiltiy that the third ball drawn is black.

An urn contains 2 white and 2 black balls. A ball is drawn at random. If its white, it is not replaced into the urn, other wise, it is replaced along the another ball of the same colour. The process is repeated. Find the probability that the third ball is black.

An urn contains 2 white and 2 black balls. A ball is drawn at random. If it is white, it is not replaced into the urn. Otherwise, it is replaced with another ball of the same colour. The process is repeated. Find the probability that the third ball drawn is black.

An urn contains 2 white and 2 black balls. A ball is drawn at random, If it is white, it is not replaced into the urn. Otherwise, it is replaced with another ball of the same colour. The process is repeated. Find the probability that the third ball drawn is black.

A bag contains 2 white and 2 black balls. A ball is drawn at random. If it is white, it is not replaced in to the bag otherwise it is replaced along with another ball of the same colour. The process is repeated. Find the probability that the third ball drawn is black.

An urn contains 9 red, 8 white and 4 black balls. A ball is drawn at random. What is the probability that ball drawn is white or black ?

A urn contains 9 red, 7 white and 4 black balls. A ball is drawn at random. What is the probability that the ball drawn will be: white.

A urn contains 9 red, 7 white and 4 black balls. A ball is drawn at random. What is the probability that the ball drawn will be: white or black.