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Re: Witch box ?

Cross-posted to 2 groups.

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On 11/8/2018 11:40 PM, Keith Stein wrote:
> On 09/11/2018 06:38, Chris M. Thomasson wrote:
>> 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.
> 
> If you are suggesting that the children should decide
> witch box by the flip of a coin, then i can assure you
> Mr.Thomasson that, in the way the teacher had set this up,
> flipping a coin was NOT the children's best strategy.

I say do not try to gamble, then cry about it later.

> Although it's not as bad as always going for the SWAP,
> as suggested by Rotchm, so i give your solution
>             1 out of 10 eh!

Well, shi%. ;^o

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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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