A card is drawn from a pack of 52 cards. The probability of getting a queen of club or a king of heart is:

Three unbiased coins are tossed. What is the probability of getting at most two heads?

10 books are placed at random in a shelf. The probability that a pair of books will always be together is -

A box contains nine bulbs out of which 4 are defective. If four bulbs are chosen at random, find the probability that at…

In a box, there are 8 red, 7 blue and 6 green balls. One ball is picked up randomly. What is the probability that it is …

A basket contains 4 red, 5 blue and 3 green marbles. If three marbles are picked up at random what is the probability th…

Which of the following is not the property of binomial distribution

In a simultaneous throw of two dice, what is the probability of getting a doublet ?