A coin is tossed 5 times. What is the probability of getting at least 3 heads.

(i) A coin is tossed 5 times. What is the probability of getting : (a) at least 3 heads (b) at most 2 heads ( c ) no head (d) 3 heads ? (ii) If a fair coin is tossed 10 times, find the probability of : (a) exactly four heads (b) exactly six heads ( c ) at least six heads (d) at most six heads.

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

A coin is tossed n times . If the probability of getting at least one head is greater than 0.9 then the minimum vaue of n is

A die is tossed and when 6 appears then a coin is tossed two times. What is the probability of getting two heads?

A coin is tossed n times. The probability of getting at least one head is greater than that of getting at least two tails by 5/32. Then n is :

A coin is biased so that a head is twice as likely to occur as a tail. If the coin is tossed 3 times, what is the probability of getting 2 tails and 1 head?

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

A coin is tossed 6 times. Find the probability of getting (i) exactly 4 heads (ii) at least 1 head (iii) at most 4 heads .