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

A box contains 3 blue marbles, 4 red, 6 green marbles and 2 yellow marbles. If two marbles are picked at random, what is…

An urn contains 2 red, 3 green and 2 blue balls. If 2 balls are drawn at random, find the probability that no ball is bl…

In a Poisson probability distribution

One card is drawn at random from a pack of 52 cards. What is the probability that the card drawn is a face card (Jack, Q…

One card is drawn from a pack of 52 cards. What is the probability that the card drawn is either a red card or a king ?

The probability that a number selected at random from the first 50 natural numbers is a composite number is -

Find the probability that getting 4 digit number with 1 in the unit place and 2 in the tens place when the numbers 1, 2,…