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 and 7 black and 5 red balls. 4 balls are drawn one by one with replacelment. What is the probability that at least two are white?

A bag contains 7 white, 5 black and 4 red balls. Four balls are drawn without replacement find the probability that t least three balls are black.

A bag contains 7 white, 5 black and 4 red balls. Four balls are drawn without replacement find the probability that t least three balls are black.

A bag contains 5 white and 4 black balls. Four balls are drawn with replacement. What is the probability that they are alternately of different colours?

A bag contains 5 white,7 red and 8 black balls.Four balls are drawn one by one with replacement,what is the probability that at least one is white?

A bag contains 5 white, 7 red and 8 black balls. Four balls are drawn one by one with replacement, what is the probability that at least one is white?

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 7 green,4 white and 5 red balls.If four balls are drawn one by one with replacement,what is the probability that one is red?

A bag contains 7 green, 4 white and 5 red balls. If four balls are drawn one by one with replacement, what is the probability that one is red?

A bag contains 4 white,7 black and 5 red balls.Three balls are drawn one after the other without replacement.Find the probability that the balls drawn are white, black and red respectively.