Suppose you have two coins which appear identical in your pocket. You know that one is fair and one is 2-headed. If you take one out, toss it and get a head, what is the probability that it was fair coin?

Suppose you have two coins which appear identical in your pocket. You know that, one is fair and one is 2-headed. If you take one out, toss it and get a head, what is the probability that it was a fair coin ?

Suppose you have two coins which appear identical in your pocket. You know that, one is fair and one is 2 headed. If you take one coin out, toss it and get a head, then what is the probability that it was a fair coin?

Suppose you have two coins which appear identical in your pocket. You know that one coin is fair and the other is 2 handed. If you take out one coin, toss it and get and a head, what is the probability that it is a fair coin?

If two coins are tossed once, what is the probability of getting : at least one head ?

Two coins are tossed simultaneously. What is the probability of getting at least one head?

Two coins are tossed simultaneously. What is the probability of getting at least one head?

Two coins are tossed together. What is the probability of getting exactly one head.

A coin is tossed three times. Given that at least one head appears, what is the probability that exactly two heads will appear?

A fair coin is tossed repeatedly. If tails appear on first four tosses, what is the probability of head appearing on the fifth toss ?

Two coins are tossed simultaneously. What is the probability of getting at least one heads?