In hypergeometric distribution, the trials are

An urn contains 6 red, 5 blue and 2 green marbles. If 2 marbles are picked at random, what is the probability that both …

When two coins are tossed simultaneously, what are the chances of getting at least one tail?

A bag contains 6 red balls 11 yellow balls and 5 pink balls. If two balls are drawn at random from the bag. One after an…

In a simultaneous throw of two dice, what is the probability of getting a total of 10 or 11?

Two dice are thrown simultaneously. What is the probability of getting the face numbers are same?

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

Four cards are drawn at random from a pack of 52 playing cards. Find the probability of getting all the four cards of th…