
Re: Beating the Odds?
Posted:
Jan 31, 2013 7:13 PM


Dr J R Stockton wrote: > > In sci.math message <74eig895m269n2jmtcnin5u3i2m455vn5o@4ax.com>, Wed, > 30 Jan 2013 09:14:00, David C. Ullrich <ullrich@math.okstate.edu> > posted: > > >On Wed, 30 Jan 2013 00:29:09 0800, William Elliot <marsh@panix.com> > >wrote: > > > >>There is a fair coin with a different integer on each side that you can't > >>see and you have no clue how these integers were selected. The coin is > >>flipped and you get to see what comes up. You must guess if that was the > >>larger of the two numbers or not. Can you do so with probability > 1/2? > > > >Of course not. Seeing one side gives you no information about > >what's on the other side. > > But if you see zero, you know that it cannot be larger (assuming > unsigned numbers) than the number on the other side.
William Elliot did write 'integer', which is surely an essential part of the problem.
 When a true genius appears in the world, you may know him by this sign, that the dunces are all in confederacy against him. Jonathan Swift: Thoughts on Various Subjects, Moral and Diverting

