A fiar coin is tossed 18 times. Find the probability that it shows least once.

A fair coin is tossed 8 times.Find the probability that it shows heads (iii)atleast once.

A fair coin is tossed 8 times. Find the probability that : (1) it shows no head (2) it shows head at least once.

If a fair coin is tossed 8 times , then the probability that it shows heads at least once is

A Fair coin is tossed 5 times , find the probability that a) coin shows exactly three times head b) no head.

If a fair coin is tossed 8 times. Find the probability of at least five heads.

A coin is tossed 6 times . Find the probability of getting at least 3 heads .

A fair coin is tossed n times. The probability of getting head at least once is greater than 0.8. Then the least value of n is -

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