A coin is tossed four times.

A fair coin is tossed four times. Let X denote the number of heads occurring. Find the probability distribution, mean and variance of X.

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

A coin is tossed three times and the outcomes are recorded. How many possible outcomes are there? How many possible outcomes if the coin is tossed four times? Five times? n times?

A coin is tossed three times and the outcomes are recorded. How many possible outcomes are there? How many possible outcomes if the coin is tossed four times? Five times? n times?

A certain coin is tossed with probability of showing head being 'p' . Let 'q' denotes the probability that when the coin is tossed four times the number of heads obtained is even. Then

A fair coin is tossed four times, and people win Re 1 for each head and lose Rs 1.50 for each tail that turns up. From the sample space calculate how many different amounts of money you can have after four tosses and the probability' of having each of these amounts.

A coin is tossed five times. How many outcomes are possible ?

A coin is tossed two times. Find the probability of getting atmost one head.

A coin is tossed five times. What is the porbability that the fourth toss would turn a head?

A coin is tossed 500 times. We obtain a head 260 times. On tossing the coin at random, find the probability of getting (i) a head, (ii) a tail