Find the probability distribution of `X`; the number of heads in two tosses of a coin ( or a simultaneous toss of two coins).

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

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

Find the probability distribution of a) number of heads in two tosses of a coin, b) number of tails in three tosses of a coin.

Find the probability distribution of (i) number of heads in two tosses of a coin.(ii) number of tails in the simultaneous tosses of three corns. (iii) number of heads in four tosses of a com.

(a) (i) Find the probability distribution of the number of heads when three coins are tossed simultaneously. (ii) Find the probability distribution of the number of tails in the simultaneous tosses of three coins. (iii) Find the probability distribution of the number of heads in the simultaneous toss of four coins. (b) (i) Find the probability distribution of the number of heads in three tosses of a coin. (ii) Find the probability distribution of the number of sixes in two tosses of a die. ( c ) Find the probability distribution of the number of heads (tails) in four tosses of a coin.

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

The mean of the number of heads in two tosses of a coin is ___________.

Find the probability of getting two heads in two tosses of a coin.

Find the mean and variance of the number of heads when two coins are tossed simultaneously.