Thanks for looking into the problem.

]]>gAr wrote:

2 fair coins are flipped and atleast one of the outcomes is known to be a head., what is the probability that both outcomes are head?

You are right.. Here's a problem similar to yours..

A couple has 2 children. One of them is a girl. What is the probability that the other is a girl?

]]>yes, I verify before accepting any answer!

Thanks for this link too.

Just be careful some of those guys at that link are wrong.

Here is a pdf that you can download that covers the math and answers that question.

]]>Thanks for looking into it, and thanks for the link!

]]>Looks good to me!

If you want to get confused about this go here.

]]>2 fair coins are flipped and atleast one of the outcomes is known to be a head., what is the probability that both outcomes are head?

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