A bag contains 12 white and 18 black balls. Two balls are drawn in succession without replacement.<br> What is the…

Two unbiased coin are tossed .What is the probability of getting at most one head?

There are four hotels in a town. If 3 men check into the hotels in a day then what is the probability that each checks i…

In a drawer there are 5 black socks and 3 green socks. Two socks are picked randomly one after the other without replace…

What is the possibility of having 53 Thursdays in a non-leap year?

A dice is rolled twice. What is the probability of getting sum 9?

The mean of binomial distribution 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…