There are three boxes with the following compositions: Two balls are drawn from each box. What is the probability that they would be of the same colour?

There are three boxes with the following composition: Box1- 5 red+7white+6blue balls box 2- 4 red+8 white+6blue balls box 3- 3 red+4 white+2blue balls If one ball is drawn at random, then what is the probability that they would be of same colour?

Boxes I and II contain respectively 4 white, 3 red and 3 blue balls, and 5 white, 4 red and 3 blue balls. If one ball is drawn from each box, what is the probability that both the balls are of the same colour ?

A box contains 4 black , 3 red & 2 yellow balls .Two balls are drawn at randomly .What is probanility that they are not of the same colour ?

A box contains 2 red, 3 blue and 4 black balls. Three balls are drawn at random. What is the probability that two balls are of the same colour and the third of a different colour.

Ared box contains eight itmes, of which three are defective, and a blue box contains five itmes, of which two are defective. An item is drawn at random from each box. What is the probability that both items will be nondefective?

A box contains 6 white balls and 4 black balls, A ball is drawn at random from the box. What is the probability that the ball is white.

A box contains 3 blue, 2 white and 4 red balls. If A ball is drawn from the box what is the probability that the ball is not white.

If 8 balls are distributed at random among three boxes,what is the probability that the first box would contain 3 balls?

A box contains 7 white and 5 black balls. If 3 balls are drawn simultaneously at random with out replacement, what is the probability that they are not all of the same colour ?

There are 12red, 18 blue and 6 white balls in a box, when balls is drawn at random from the box, what is the probability of not getting a red ball?