On Sat, 2 Feb 2013 20:13:47 -0800, William Elliot <firstname.lastname@example.org> wrote:
>A subset A, of an ordered set is convex when >for all x,y in A, for all a, (x <= a <= y implies a in A). > >I will call an interval an order convex subset of Q. >Given an interval, what's the probablity that it's > open, closed, both, neither?
That depends on what initial probability distribution you put on the set of intervals.
> >Given an open subset of Q, what's the probablity that it's clopen? >Given an closed subset of Q, what's the probablity that it's clopen?