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scott <sco### [at] scottcom> wrote:
> >> So you would also agree then that 1/2 + 1/4 + 1/8 + ... equals 1 with
> >> infinitely many terms? You see where this is going?
> >
> > I agree with it, and no, I don't see your point.
> That the sequence is also the probability of a head being tossed after N
> tries of throwing a coin. After 1 try it's 1/2, after 2 tries it's 1/2 +
> 1/4, etc. So after infinitely many tries the probability is *equal* to 1.
> Now simply replace "head being tossed" with "this sequence of characters
> being the works".
You talk as if I had said somewhere that in the infinite case the
probability does *not* equal 1. I don't remember saying such a thing.
> > I honestly don't understand.
> If you are choosing numbers in the range 0...1, 0.5 has an infinitesimally
> small probability of being chosen, 1.5 has a zero probability of being
> chosen, they are not the same probability. (In some situations you can call
> the probability of 0.5 being chosen "zero", but you must remember that the
> zero came from 1/infinity and not "real" zero incase you use it in later
> calculations).
Now it's you who sounds like saying that 1/2+1/4+... does not equal 1.
--
- Warp
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