A bag contains 4 red balls, 6 blue balls and 8 pink balls. One ball is drawn at random and replaced with 3 pink balls. A…

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

The probability that a card drawn from a pack of 52 cards will be a diamond or a king is -

A box contains 20 electric bulbs, out of which 4 are defective. Two balls are chosen at random from this box. The probab…

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

A bag contains 2 red, 3 green and 2 blue balls. Two balls are drawn at random. What is the probability that none of the …

Binomial distribution is negatively skewed when

A bag contains 4 red, 5 yellow and 6 pink balls. Two balls are drawn at random. What is the probability that none of the…