Re: Expectation - May 20

Posted by Amit Goyal on May 20, 2012; 2:29pm
URL: http://discussion-forum.276.s1.nabble.com/Expectation-May-20-tp7567648p7567940.html

You can write the sample space as true false values for 7 propositions also and you will have 2^7 elements. But as you pointed out it will be harder (not impossible) and very inconvenient to assign the probability function to the events of the sample space. [Events can be assigned zero probability. So the count will remain 2^7 if you write your sample space this way. In the example you said that proposition 1, 2 and 7 cannot be false at the same time. So the event that all 1, 2 and  7 are false is a zero probability event ].