Home
Class 11
MATHS
A coin is tossed twice.What is the proba...

A coin is tossed twice.What is the probability that atleast one tail occurs?

Text Solution

Verified by Experts

The correct Answer is:
`3/4`
Promotional Banner

Similar Questions

Explore conceptually related problems

A fair coin is tossed 12 times. Find the probability that two heads do not occur consectively.

A coin is tossed 4 times . The probability of getting atleast one head is

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

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

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

A coin is biased so that the head is 3 times as likely to occuras tail. If the coin is tossed twice, find the probability distribution of number of tails .

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 ?

A coin is tossed 3 times. The probability of getting head once and tail 2 times is

If a fair coin is tossed 6 times. Find the probability of (i) at least five heads and (ii) exactly 5 heads.