A box contains `5` black, `4` white and `6` red balls. Two balls are drawn without replacement. The probability that the first will be white and the second wil lbe black is

A box contains 5 black, 4 white and 6 red balls. Two balls are drawn one after another without replacement. What is the probability that the first will be white and the second will be balck ?

A bag contains 10 white and 15 black balls. Two balls are drawn succession without replacement.What is the probability that the first ball is white and the second is black?

A bag contains 4 black , 5 white and 6 red balls. If 4 balls are drawn one by one with replacement the probability that none is red is

A bag contains 10 white and 15 black balls. Two balls are drawn in succession without replacement.What is the probability that first is white and second is black?

A bag contains 10 white and 15 black balls. Two balls are drawn in succession without replacement. What is the probability that first is white and second is black?

A bag contains 10 white and 15 black balls. Two balls are drawn in succession without replacement.What is the probability that first is white and second is black?

A bag contains 4 white , 7black and 5 red balls. 4 balls are drawn with replacement. What is probability that at least two are white?

A bag contains 4 white , 7black and 5 red balls. 4 balls are drawn with replacement. What is probability that at least two are white?

A bag contains 3 black and 4 white balls. Two balls are drawn one by one at random without replacement. The probability that second drawn ball is white is