A coin is tossed twice, the probability of getting head both the times is

A coin is tossed twice,the probability of getting head both the xx is

When a fair coin is tossed thrice,the probability of obtaining head at most twice is

A coin is tossed twice. Find the probability of getting at-most 2 heads.

15 coins are tossed , the probability of getting heads will be

Two coins are tossed. Find the probability of getting a head on both the coins.

A fair coin is tossed n times. If the probability of getting 7 heads is equal to the probability of getting 9 heads,then the value of n will be

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

A fair coin is tossed fixed times. The probability of getting 7 heads is equal to probability of getting 9 heads. Then find the probability of getting 2 heads

A unbaised coin is tossed n times. If the probability of getting 5 heads is equal to the probability of getting 6 heads then probability of getting 3 heads is

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