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 ?

Binomial distribution is negatively skewed when

Two brother X and Y appeared for an exam. Let A be the event that X is selected and B is the event that Y is selected.&l…

If a number is chosen at random from the set {1, 2, 3, ......., 100}, then the probability that the chosen number is a p…

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,…

What is the probability of getting a sum 9 from two throws of a dice ?

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

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…