Coin A is flipped 3 times and coin B is flipped 4 times. If the number of heads obtained from flipping the 2 fair coins is same then its probability is:

Coin A is flipped 4 xx and coin B is flipped 5 xx.What is the probability that the number of heads obtained from flipping the two coins is the same?

A fair coin is tossed 3 times. Let X be the number of heads obtained. Find E(X) and V(X).

A fair coin is tossed 3 times. Let X be the number of heads obtained. Find E(X) and V(X).

A fair coin is tossed 4 times. If X denotes the number of heads obtained, then the formula for p.m.f. of X is

A fair coin is tossed 6 times .The variance of number of heads is

fair coin is tossed 5 times. Find the probability that number of heads on the coins is more than the number of tails.

When a coin is flipped once, what is the probability of getting HEAD ?

Statement -1 : A fair coin is tossed four times. The probability that heads exceed tails in number is 5/16 Statement-2 : A fair coin is tossed, then the probability that it lands with heads is 1/2