Re: probability

Posted by duck on Dec 10, 2012; 1:37am
URL: http://discussion-forum.276.s1.nabble.com/probability-tp7579613p7579616.html

Hi Shikha.. :)

You can think of this problem as:
Rolling two dice repeatedly until the sum of 6 or 7 appears. And then finding the probability that the outcome is T=6.

Let, A be the event that T=6 appears
And B be the event that T=7 or T=6 appears.
Therefore, p= P(A|B) = P(AB)/P(B) = P(A)/P(B) = 5/11