A bag contains 4 red and 6 blach balls O balls is drawn at random from the bag, its colour is observed and this ball along with two addibonal balls of the same colour are returnted to the bag, then the probabilaty then the drawn ball is red, is

A bag contains 4 red and 6 black balls. A ball is drawn at random from the bag, its colour is observed and this ball along with two additional balls of the same colour are returned to the bag. If now a ball is drawn at random from the bag, If now a ball is drawn at random from the bag, then the probability that this drawn ball is red, is

A bag contains 3 red and 5 blue balls. A ball is drawn at random from the bag. What is the probability that the ball drawn is: red?

A bag contains 8 white and 6 black balls. A ball is drawn at random from the bag, its colour is observed and is kept aside (i.e. not returned in the bag). Three additional balls of the same colour as observed are put in the bag. If now two balls are drawn simultaneously at random from the bag, then the probability that these are of different colours, is ____

A bag contains 3 red and 5 blue balls. A ball is drawn at random from the bag. What is the probability that the ball drawn is yellow ?

A bag contains 6 red and 5 blue balls. One ball is drawn at random. The probability that the ball is blue is:

A bag contains 3 red balls and 5 black balls. A ball is drawn at random from the bag. What is the probability that the ball drawn is: red (b) black

A bag contains 4 black balls and 6 red balls. One ball is drawn at random.The probability that it is red is

A bag contains w white and b black balls. A ball is drawn at random and put back in the bag with k additional balls of the same colour. A ball is again drawn at random from the bag. The probability that it is black is

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