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

A special lottery is to be held to select a student who will live in the only deluxe room in a hostel. There are 100 Yea…

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 …

Successive trials in binomial distribution are

In a class, there are 12 boys and 16 girls. One of them is called out by an enroll number, what is the probability that …

A bag contains 5 red and 3 green balls. Another bag contains 4 red and 6 green balls. If one ball is drawn from each bag…

A speaks truth in 75% of cases and B in 80% of cases. In what percent of cases are they likely to contradict each other …

In a Poisson probability distribution