A bag contains 9 balls of which 4 are red,3 are white,and 2 are green.
If a ball is drawn at random,then. Calculate the probability that it is
either white or green.

A bag contains 9 balls of which 4 are red,3 are white,and 2 are green. If a ball is drawn at random,then, Calculate the probability that it is not white.

A bag contains 9 discs of which 4 are red, 3 are blue and 2 are yellow. A disc is drawn at random from the bag. Calculate the probability that it will be red.

A bag contains 9 discs of which 4 are red, 3 are blue and 2 are yellow. A disc is drawn at random from the bag. Calculate the probability that it will be Not yellow.

A bag contains 9 balls of which 4 are red, 3 are blue and 2 are yellow. The balls are similar in shape and size. A ball is drawn at random from the bag. Calculate the probability that the ball drawn will be either red or yellow.

A bag contains 9 balls of which 4 are red, 3 are blue and 2 are yellow. the balls are similar in shape and size. A ball is drawn at random from the bag. Calculate the probability that the ball drawn will be red.

A bag contains 9 balls of which 4 are red, 3 are blue and 2 are yellow. the balls are similar in shape and size. A ball is drawn at random from the bag. Calculate the probability that the ball drawn will be not yellow .

An urn contains 4 black. 5 rvhite and 6 red balls. one ball is drawn at random. The probability that it is not black is