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Groups > sci.physics > #712161
| From | "Chris M. Thomasson" <invalid_chris_thomasson@invalid.invalid> |
|---|---|
| Newsgroups | sci.physics.relativity, sci.physics |
| Subject | Re: Witch box ? |
| Date | 2018-11-08 22:38 -0800 |
| Organization | n/a |
| Message-ID | <ps3a13$ed3$3@dont-email.me> (permalink) |
| References | <Ys0CD.110234$Do.71201@fx31.am4> <prt7r8$dk2$1@dont-email.me> <smTED.170966$aw7.66881@fx04.am4> |
Cross-posted to 2 groups.
On 11/8/2018 1:30 AM, Keith Stein wrote: > On 06/11/2018 23:24, Chris M. Thomasson wrote: >> On 10/30/2018 10:24 AM, Keith Stein wrote: >>> " TRICK or TREAT ? " >>> >>> The math teacher came to the door with a box containing sweets, >>> and handed it to the children. "Wait there a moment" he said. >>> >>> A moment later he reappeared at the door carrying a second box. >>> "Now you must choose which box you want." he says "I can tell you >>> that there is a 50% chance that this box has twice as many sweets, >>> but there is a 50% chance that it only has half as many sweets as >>> that first box, so which box do you want, the first box, or the >>> second box ?". >>> >>> Witch box should >>> the children choose ? >>> (Assuming they wish to maximize their sweet collection eh!) >> >> Fwiw, I think of this along the following lines: >> ______________________________________ > >> 1. The teacher gives box b0 to a person. > > Correct. > >> 2. The teacher says here is another box b1, that can contain 2 times >> the amount in b0, or 1/2. > > or 1/2 the amount in b0. Correct. > > You can flip a coin, or keep b0. What do you want >> to do? > > WRONG. The teacher does not mention 'a coin' > The teacher just asks the children, > "Do you want box b0 or box b1 ?" That seems to be the essence of a coin flip.
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Witch box ? Keith Stein <keithstein111@gmail.com> - 2018-10-30 17:24 +0000
Re: Witch box ? Odd Bodkin <bodkinodd@gmail.com> - 2018-10-30 18:13 +0000
Re: Witch box ? moroney@world.std.spaamtrap.com (Michael Moroney) - 2018-10-30 19:19 +0000
Re: Witch box ? moroney@world.std.spaamtrap.com (Michael Moroney) - 2018-10-30 19:21 +0000
Re: Witch box ? Edward Prochak <edprochak@gmail.com> - 2018-10-30 12:25 -0700
Re: Witch box ? Keith Stein <keithstein111@gmail.com> - 2018-11-05 09:49 +0000
Re: Witch box ? "Chris M. Thomasson" <invalid_chris_thomasson@invalid.invalid> - 2018-10-30 14:47 -0700
Re: Witch box ? Keith Stein <keithstein111@gmail.com> - 2018-11-01 14:35 +0000
Re: Witch box ? "Chris M. Thomasson" <invalid_chris_thomasson@invalid.invalid> - 2018-11-05 23:22 -0800
Re: Witch box ? Keith Stein <keithstein111@gmail.com> - 2018-10-31 00:48 +0000
Go to the door 100 times. Jeff-Relf.Me @. - 2018-10-30 18:32 -0700
Re: Go to the door 100 times. Keith Stein <keithstein111@gmail.com> - 2018-10-31 05:35 +0000
Re: Go to the door 100 times. The Starmaker <starmaker@ix.netcom.com> - 2018-10-30 23:33 -0700
Re: Go to the door 100 times. "Chris M. Thomasson" <invalid_chris_thomasson@invalid.invalid> - 2018-10-31 23:43 -0700
[OT] Which box? (was: Witch box ?) Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2018-10-31 02:31 +0100
Re: [OT] Which box? (was: Witch box ?) moroney@world.std.spaamtrap.com (Michael Moroney) - 2018-10-31 03:19 +0000
Re: Witch box ? yporat08@gmail.com - 2018-10-30 23:50 -0700
Only the teacher knows the answer eh! Keith Stein <keithstein111@gmail.com> - 2018-11-01 07:59 +0000
Re: Only the teacher knows the answer eh! Keith Stein <keithstein111@gmail.com> - 2018-11-01 13:34 +0000
Re: Only the teacher knows the answer eh! Odd Bodkin <bodkinodd@gmail.com> - 2018-11-01 14:29 +0000
Re: Witch box ? "Chris M. Thomasson" <invalid_chris_thomasson@invalid.invalid> - 2018-11-06 15:24 -0800
Re: Witch box ? Keith Stein <keithstein111@gmail.com> - 2018-11-08 09:30 +0000
Re: Witch box ? Keith Stein <keithstein111@gmail.com> - 2018-11-08 21:03 +0000
Re: Witch box ? "Chris M. Thomasson" <invalid_chris_thomasson@invalid.invalid> - 2018-11-08 22:38 -0800
Re: Witch box ? Keith Stein <keithstein111@gmail.com> - 2018-11-09 07:40 +0000
Re: Witch box ? "Chris M. Thomasson" <invalid_chris_thomasson@invalid.invalid> - 2018-11-08 23:42 -0800
Re: Witch box ? Keith Stein <keithstein111@gmail.com> - 2018-11-12 17:01 +0000
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