Find the mean number of heads in three tosses of a fair coin.

Find the probability distribution of the number of heads in three tosses of a fair coin.

Find the mean and variance of the number of heads in the two tosses of a coin.

Find the probability distribution of number of heads in two tosses of a coin.

Find the probability distribution of number of heads in four tosses of a coin

Find the probability distribution of number of tails in the simultaneous tosses of three coins

Find the probability distribution of the number of tails in the simultaneous toss of two coins.

Let X represent the absolute difference between the number of heads and the number of tails obtained when a coin is tossed 6 times. What are the possible values of X?

Obtain the probability distribution of the total number of heads occurring in a toss of three unbiased coins.

A fair coin with I marked on one face and 6 on the other and a fair die are both tossed, find the probability that the sum of the numbers that turn up is 12

A fair coin with 1 marked on one face and 6 on the other and a fair die are both tossed.find the probability that the sum of numbers that turn up 3