A coin is tossed twice. What is the probability of getting exactly one head ?

A coin is tossed once. What is the probaility of getting a head ?

A coin is tossed 10 times. The probability of getting exactly six heads is

Two unbiased coins are tossed. What is the probability of getting at most one head?

A coin is tossed three times . What is the probability of getting no tail ?

Three coins are tossed together.Find the probability of getting exactly two heads.

In tossing 10 coins, the probability of getting exactly 5 heads is

A coin is tossed successively three times. The probability of getting exactly one heads or 2 heads is

Two coins are tossed. What is the probability of getting 2 heads or 2 tails?

Two coins are tossed. What is the probability of getting 2 heads or 2 tails?