Four persons are chosen at random from a group of 3 men, 2 women and 4 children. The chance that exactly 2 of them are c…

In a throw of coin what is the probability of getting tails.

A basket contains 6 blue, 2 red, 4 green and 3 yellow balls. If 5 balls are picked up at random, what is the probability…

What will be the possibility of drawing a jack or a spade from a well shuffled standard deck of 52 playing cards?

There are 12 boys and 8 girls in a tuition centre. If three of them scored first mark, then what is the probability that…

The probability of success changes from trial to trial in

An urn contains 6 red, 4 blue, 2 green and 3 yellow marbles. If 4 marbles are picked up at random, what is the probabili…

In a class, there are 15 boys and 10 girls. Three students are selected at random. The probability that 1 girl and 2 boy…