A bag contains 4 red and 6 black balls. Three balls are drawn at random. Find the probability distribution o the number of red balls.

A bag contains 6 white ., 7 red and 5 black balls . Three balls are drawn at random . Find the probability that they will be white .

A bag contains 9 red and 12 white balls one ball is drawn at random. Find the probability that the ball drawn is red.

A bag contains 9 red and 12 white balls. One ball is drawn at random. Find the probability that the ball drawn is red.

A bag contains 5 red, 6 white and 7 black balls. Two balls are drawn at random. what is the probability that both balls are red or both are black?

A bag contains 4 red and 3 black balls.If one ball is drawn at random,then what is the probability of drawing a black ball?

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 red or white.

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 red or white.

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 (i) red or white (ii) not black (iii) neither white nor black.

A bag contains 4 red and 5 black balls, a second bag contain 3 red and 7 black balls. One ball is drawn at random from each bag, find the probability that the ball are of the same colour.