+118677 Does this question make sense to other mathematicians ?
http://web2.0calc.com/questions/if-a-and-b-are-two-events-such-that-p-a-and-p-b-a-1
I am not familiar with the notation. 
+2973 it makes 0 sense what so ever
what do they mean by the slash in the middle of it?
and i didnt even get what they were asking
and this equation:
p (a) =/ and p(b/a)=1
what the ****? who writes an equation like that?
