I am given two events, A and B, and a new event C occurs, if and only if exactly one of A or B occurs. I need to prove; So from the question, i got: Is that correct and a good starting point? Or am i missing something out?
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From the second equation you can use: .
So i get: Is that correct? How do i go about getting rid of the union in the middle?
Originally Posted by Mcoolta So i get: How do i go about getting rid of the union in the middle? Don't you get
Im confused to where the union has gone, from my original post? Thanks for your help so far!
Are you not proving that That is what I thought you were doing. Is that not right?
Yeah that is what im proving, im just confused from where the middle '+' has came from in the 4th post down, instead of a : Why is it: Instead of Sorry if that is unclear, Thanks
If you know that then you know that . Right? Now So the probability of that union is the sum of the probabilities.
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