Finci the probability distribution of the number of doublets in four throws of a pair die.

Find the probability distribution of number of doublets in three throws of a pair of dice.

Find the probability distribution of number of doublets in three throws of a pair of dice.

Find the probability distribution of the doublets in two throws of a pair of dice.

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

Find the probability distribution of the number of successes in two tosses of a die, where a success is defined as i. number greater than 4 ii. six appears on atleast one die

Find the probability distribution of i. number of head in two tosses of a coin. ii. number of tails in the simultaneous tosses of three coins. iii. number of heads in four tosses of a coin.

Two dice are rolled once. Find the probability of getting an even number on the first die or a total of face sum 8.

Find the mean and variance of the number obtained on the throw of an unbaised die.

A die is thrown again and again until three sixes are obtained. Find the probability of obtaining the third six in the sixth throw of the die.