A bowl has 6 red marbles and 3 green marbles. The probability that a blind folded person will draw a red marble on the second draw from the bowl without replacing the marble from the first draw. is

A bowl hes 6 red marbles and 3 green marbles. The probebility that a blind folded person will draw u red marble on the second draw from the bowl without replacing the marble from the first draw, is

Rafi has 16 red marbles and 4 blue marbles. Find the ratio of red marbles to blue marbles Rafi has ?

A bag has 5 red marbles, 4 green marbles and 3 blue marbles. All marbles are identical in all respects other than colour. A marble is taken out from the bag without looking into it. What is the probability that it is a non-green marble?

A bag has 5 red marbles, 4 green marbles and 3 blue marbles. All marbles are indentical in all respects other than colour. A marble is taken out from the bag without looking into it. What is the probability that it is a non-green marbles?

A bag contains 5 red marbles, 8 white marbles, 4 green marbles. What is the probability that if one marble is taken out of the bag at random, it will be red (ii) white (iii) not green

A bag contains 5 red marbles and 3 black marbles. Three marbles are drawn one by one without replacement. What is the probability that at least one of three marbles drawn be black if the first marble is red?

A bag contains 5 red and 8 green marbles. One marble is drawn from the bag at random. Find the probability that the marble drawn is red.

A bag contains 3 red and 2 blue marbles. A marble is drawn at random. What is the probability of drawing a blue marble ?