Re: Can you help?

Duncan Chiu (dchiu@idt.net)
Thu, 17 Apr 1997 23:11:33 -0400


Jackie Singleton wrote:
>
> IraFrdmn@aol.com wrote:
> >
> > A friend of mine gave me the following question. Ihope that you can give
> > the answer.
> >
> > A jar contains one organ either a brain or a heart. An Alien puts a brain in
> > the jar. He then pulls out a brain. What`s the probability that the jar
> > originally contained a brain. I think that this is the "LETS MAKE A DEAL"
> > problem and I feel that the answer is 2/3 but then sometimes I think it is
> > 3/4?
> Ira
> I agree with Duncan's answer of 1/2 but maybe this is a question for
> "Marilyn Von Savant" (if that is how she spells her name.)
> Jackie Singleton

Are you still there?

Duncan