A box contains 24 identical balls of which 12 are white and 12 are black. The balls are drawn at random from the box one at a time with replacement. The probability that a white ball is drawn for the 4th time on the 7th draw is (a) `5/64` (b) `27/32` (c) `5/32` (d) `1/2`

A box contains 24 identical balls of which 12 are white and 12 are black.The balls are drawn at random from the box one at a time with replacement.The probability that a white ball is drawn for the 4 th time on the 7 th draw is (a) (5)/(64) (b) (27)/(32) (c) (5)/(32) (d) (1)/(2)

A box contains 24 identical balls of which 12 are white and 12 are black. The balls are drawn at random from the box one at a time with replacement. The probability that a white ball is drawn for the 4th time on the 7th draw is 5//64 b. 27//32 c. 5//32 d. 1//2

A box contains 20 identical balls of which 10 balls are red . The balls are drawn at random from the box oone at a time with replacement .The probability that a white ball is drawn for the 4th time on the 7th draw is

A box contains 20 identical balls of which 10 are blue and 10 are green. The balls are drawn at random from the box one at a time with replacement. The probability that a blue ball is drawn 4th time on the 7th draw is

A box contains 20 identical balls of which 5 are white and 15 black. The balls are drawn at random from the box one at a time with replacement. The probability that a white ball is drawn for the 3rd time on the 6th draw is- a. 1/2 b. 135/2048 c. 135/1024 d. 27/4096

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.

There are 12 white and 12 red ball in a bag. Balls are drawn one by one with replacement from the bag. The probability that 7th drawn ball is 4th white, is

There are 12 white and 12 red ball in a bag. Balls are drawn one by one with replacement from the bag. The probability that 7th drawn ball is 4th white, is

A box contains 12 balls out of which x are black. If one ball is drawn at random from the box, what is the probability that it will be a black ball ?