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- From: clong@romulus.rutgers.edu (Chris Long)
- Newsgroups: rec.puzzles
- Subject: Re: Killers & Pacifist (SPOILER)
- Message-ID: <Jan.2.01.47.19.1993.24988@romulus.rutgers.edu>
- Date: 2 Jan 93 06:47:19 GMT
- Article-I.D.: romulus.Jan.2.01.47.19.1993.24988
- References: <BzMrJ3.JHH@hplabs.hpl.hp.com> <Bzq92E.9As@hplabs.hpl.hp.com>
- Organization: Rutgers Univ., New Brunswick, N.J.
- Lines: 16
-
- In article <Bzq92E.9As@hplabs.hpl.hp.com>, Spyros Potamianos writes:
-
- >> we are the only pacifist; it's clear now that P=1/(k+1) since
- >> we survive iff we don't take part in the first k interactions.
-
- As pointed out, this isn't right. Doing the multiplication
- correctly, I get that P=(2k)!/(4^k*(k!)^2), where 2k is the number
- of killers. For large k this is approximately 1/sqrt(pi*k), which
- is substantially better than the 1/(2k+1) odds you get by being
- a killer.
- --
- Chris Long, 265 Old York Rd., Bridgewater, NJ 08807-2618
-
- "S.B., with an I.Q. of 161, failed to complete his course of study,
- running away instead with his professor's wife."
- H. J. Eysenck, _Know Your Own I.Q._
-