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 coin is tossed live times. What is the probability that there is at the least one tail?

The odds against an event are 5 : 3 and the odds in favour of another independent event are 7 : 5. Find the probability …

Successive trials in binomial distribution are

The probability function is always

A bag contains five white and four red balls. Two balls are picked at random from the bag. What is the probability that …

Two dice are thrown simultaneously. What is the probability of getting two numbers whose product is even ?

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…