What is the probability that if a fair coin is tossed six times we will get (i) exaclty two heads (ii) at least two heads?

A fair coin is tossed 10 times. The probability of getting exactly 6 heads is -

If a fair is tossed 10 times, find the probability of exactly six heads.

If a fair coin is tossed thrice find the probability that there are at least one head

If a fair is tossed 10 times, find the probability of at most six heads.

A coin is tossed 2n times. The probability of getting head n times, is -

A box contains N coins, m of wiich are fair and the rest are biased. The probability of getting a head when a fair coin is tossed is 1/2, while it is 2/3 when a biased coin is tossed. A coin is drawn from the box at random and is tossed twice. The first time it shows head and the second time it shows tail. What is the probability that the coin drawn is fair ?

If a fair is tossed 10 times, find the probability of at least six heads.

A coin is tossed 7 times. Then the probability that at least 4 consective heads apear is

The minimum number of times a fair coin needs to be tossed, so that the probability of getting at least two heads is at least 0.96 is :