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Groups > sci.physics.relativity > #475896 > unrolled thread
| Started by | Keith Stein <keithstein111@gmail.com> |
|---|---|
| First post | 2018-10-30 17:24 +0000 |
| Last post | 2018-11-12 17:01 +0000 |
| Articles | 20 on this page of 48 — 10 participants |
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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 ? RichD <r_delaney2001@yahoo.com> - 2018-11-04 19:39 -0800
Re: Witch box ? Keith Stein <keithstein111@gmail.com> - 2018-11-05 09:23 +0000
Re: Witch box ? moroney@world.std.spaamtrap.com (Michael Moroney) - 2018-10-30 19:21 +0000
Re: Witch box ? Keith Stein <keithstein111@gmail.com> - 2018-11-05 09:49 +0000
Re: Witch box ? rotchm <rotchm@gmail.com> - 2018-10-30 13:34 -0700
Re: Witch box ? Buck Dehner <uktaa@yswdooz.ca> - 2018-10-30 21:31 +0000
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
Re: Witch box ? rotchm <rotchm@gmail.com> - 2018-10-30 20:20 -0700
Re: Witch box ? Keith Stein <keithstein111@gmail.com> - 2018-11-01 14:21 +0000
Re: Witch box ? rotchm <rotchm@gmail.com> - 2018-11-01 07:23 -0700
Re: Witch box ? Keith Stein <keithstein111@gmail.com> - 2018-11-01 14:54 +0000
Re: Witch box ? rotchm <rotchm@gmail.com> - 2018-11-01 08:19 -0700
Re: Witch box ? Odd Bodkin <bodkinodd@gmail.com> - 2018-11-01 16:19 +0000
Re: Witch box ? rotchm <rotchm@gmail.com> - 2018-11-01 09:48 -0700
Re: Witch box ? Keith Stein <keithstein111@gmail.com> - 2018-11-06 20:40 +0000
Re: Witch box ? rotchm <rotchm@gmail.com> - 2018-11-06 13:09 -0800
Re: Witch box ? Keith Stein <keithstein111@gmail.com> - 2018-11-06 21:31 +0000
Re: Witch box ? Odd Bodkin <bodkinodd@gmail.com> - 2018-11-06 22:03 +0000
Re: Witch box ? rotchm <rotchm@gmail.com> - 2018-11-06 14:39 -0800
Re: Witch box ? Keith Stein <keithstein111@gmail.com> - 2018-11-07 00:12 +0000
Re: Witch box ? rotchm <rotchm@gmail.com> - 2018-11-06 17:18 -0800
Re: Witch box ? Keith Stein <keithstein111@gmail.com> - 2018-11-07 04:58 +0000
Re: Witch box ? Keith Stein <keithstein111@gmail.com> - 2018-11-01 17:37 +0000
Re: Witch box ? Keith Stein <keithstein111@gmail.com> - 2018-11-01 19:46 +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
[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
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! rotchm <rotchm@gmail.com> - 2018-11-01 07:27 -0700
Re: Only the teacher knows the answer eh! Keith Stein <keithstein111@gmail.com> - 2018-11-01 15:11 +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
Page 2 of 3 — ← Prev page 1 [2] 3 Next page →
| From | rotchm <rotchm@gmail.com> |
|---|---|
| Date | 2018-11-01 09:48 -0700 |
| Message-ID | <43b33624-f7e8-4153-b79d-e95bbb97259a@googlegroups.com> |
| In reply to | #476007 |
On Thursday, November 1, 2018 at 12:19:42 PM UTC-4, Odd Bodkin wrote: > Keith Stein <keithstein111@gmail.com> wrote: > > explain to you just how the teacher did set it up. He used a 3 BOX > > set up, but rather than giving the children at the door,the average box > > with n sweets, he gives them either of the 2n or n/2 box at random eh! > > If this were true, then the math teacher would have been lying to > the kids. Let’s suppose that the box he initially gave the kids > was the n/2 box. Then if he offers a second box, there’s a 50% > chance that the second box has > twice as many treats and 50% chance that the second box has four times as > many treats. Correct, & that's where I suspected that the troll goofed. > You don’t understand your own problem. Indeed he doesn't. He just fails & fails & fails; he cant solve simple math probs, yet, he still thinks that he has what it takes to discuss relativity!
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| From | Keith Stein <keithstein111@gmail.com> |
|---|---|
| Date | 2018-11-06 20:40 +0000 |
| Message-ID | <b%mED.275097$522.37288@fx35.am4> |
| In reply to | #476007 |
On 01/11/2018 16:19, Odd Bodkin wrote:
> Keith Stein <keithstein111@gmail.com> wrote:
>> On 01/11/2018 14:23, rotchm wrote:
>>> On Thursday, November 1, 2018 at 10:21:01 AM UTC-4, Keith Stein wrote:
>>>
>>>> As usual Rotchm gives the children THE WORST POSSIBLE ADVICE eh!
>>>
>>> Again you are wrong.
>>
>> No Rotchm, again you are wrong,
>>
>> and before you proceed to make an even bigger fool of yourself let me
>> explain to you just how the teacher did set it up. He used a 3 BOX
>> set up, but rather than giving the children at the door,the average box
>> with n sweets, he gives them either of the 2n or n/2 box at random eh!
>
> If this were true, then the math teacher would have been lying to the kids.
> Let’s suppose that the box he initially gave the kids was the n/2 box. Then
> if he offers a second box, there’s a 50% chance that the second box has
> twice as many treats and 50% chance that the second box has four times as
> many treats.
You are mistaking the math teacher for an idiot, Mr.Bodkin.
The teacher offered in exchange for Box 1,
the box with n sweets in.
keith stein
P.S. Sorry for the delay in responding,
been busy on other threads eh!
>
> You don’t understand your own problem.
>
>>
>>
>>> This is not the first time that I argue that u r wrong and where you eventually concede.
>>
>>
>>
>
>
>
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| From | rotchm <rotchm@gmail.com> |
|---|---|
| Date | 2018-11-06 13:09 -0800 |
| Message-ID | <9629d6b0-911a-4c50-ac33-946f0ec0c2e0@googlegroups.com> |
| In reply to | #476438 |
On Tuesday, November 6, 2018 at 3:40:42 PM UTC-5, Keith Stein wrote: > On 01/11/2018 16:19, Odd Bodkin wrote: > > If this were true, then the math teacher would have been lying > You are mistaking the math teacher for an idiot, Mr.Bodkin. No he is not. Bod is right in claiming that the teacher would have been lying, or that you totally blundered your own riddle, as I have been claiming. Forget it; you failed big time in this thread; you were shown wrong... Move on...
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| From | Keith Stein <keithstein111@gmail.com> |
|---|---|
| Date | 2018-11-06 21:31 +0000 |
| Message-ID | <IKnED.176967$QD7.68148@fx44.am4> |
| In reply to | #476442 |
On 06/11/2018 21:09, rotchm wrote:
> On Tuesday, November 6, 2018 at 3:40:42 PM UTC-5, Keith Stein wrote:
>> On 01/11/2018 16:19, Odd Bodkin wrote:
>
>>> If this were true, then the math teacher would have been lying
>
>> You are mistaking the math teacher for an idiot, Mr.Bodkin.
>
> No he is not.
> Bod is right in claiming that the teacher would have been lying, or that you totally blundered your own riddle, as I have been claiming. Forget it; you failed big time in this thread; you were shown wrong... Move on...
>
On 01/11/2018 16:19, Odd Bodkin wrote:
> Keith Stein <keithstein111@gmail.com> wrote:
>> On 01/11/2018 14:23, rotchm wrote:
>>> On Thursday, November 1, 2018 at 10:21:01 AM UTC-4, Keith Stein wrote:
>>>
>>>> As usual Rotchm gives the children THE WORST POSSIBLE ADVICE eh!
>>>
>>> Again you are wrong.
>>
>> No Rotchm, again you are wrong,
>>
>> and before you proceed to make an even bigger fool of yourself let me
>> explain to you just how the teacher did set it up. He used a 3 BOX
>> set up, but rather than giving the children at the door,the average box
>> with n sweets, he gives them either of the 2n or n/2 box at random eh!
>
> If this were true, then the math teacher would have been lying to the
kids.
> Let’s suppose that the box he initially gave the kids was the n/2
box. Then
> if he offers a second box, there’s a 50% chance that the second box has
> twice as many treats and 50% chance that the second box has four times as
> many treats.
You are mistaking the math teacher for an idiot, Mr.Bodkin.
The teacher offered in exchange for Box 1,
the box with n sweets in eh!
keith stein
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| From | Odd Bodkin <bodkinodd@gmail.com> |
|---|---|
| Date | 2018-11-06 22:03 +0000 |
| Message-ID | <prt33k$mu3$1@gioia.aioe.org> |
| In reply to | #476446 |
Keith Stein <keithstein111@gmail.com> wrote: > On 06/11/2018 21:09, rotchm wrote: >> On Tuesday, November 6, 2018 at 3:40:42 PM UTC-5, Keith Stein wrote: >>> On 01/11/2018 16:19, Odd Bodkin wrote: >> >>>> If this were true, then the math teacher would have been lying >> >>> You are mistaking the math teacher for an idiot, Mr.Bodkin. >> >> No he is not. >> Bod is right in claiming that the teacher would have been lying, or that >> you totally blundered your own riddle, as I have been claiming. Forget >> it; you failed big time in this thread; you were shown wrong... Move on... >> > > > On 01/11/2018 16:19, Odd Bodkin wrote: >> Keith Stein <keithstein111@gmail.com> wrote: >>> On 01/11/2018 14:23, rotchm wrote: >>>> On Thursday, November 1, 2018 at 10:21:01 AM UTC-4, Keith Stein wrote: >>>> >>>>> As usual Rotchm gives the children THE WORST POSSIBLE ADVICE eh! >>>> >>>> Again you are wrong. >>> >>> No Rotchm, again you are wrong, >>> >>> and before you proceed to make an even bigger fool of yourself let me >>> explain to you just how the teacher did set it up. He used a 3 BOX >>> set up, but rather than giving the children at the door,the average box >>> with n sweets, he gives them either of the 2n or n/2 box at random eh! >> >> If this were true, then the math teacher would have been lying to the > kids. >> Let’s suppose that the box he initially gave the kids was the n/2 > box. Then >> if he offers a second box, there’s a 50% chance that the second box has >> twice as many treats and 50% chance that the second box has four times as >> many treats. > > > You are mistaking the math teacher for an idiot, Mr.Bodkin. > The teacher offered in exchange for Box 1, > the box with n sweets in eh! Note that’s different than what you wrote above. > > keith stein > -- Odd Bodkin — Maker of fine toys, tools, tables
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| From | rotchm <rotchm@gmail.com> |
|---|---|
| Date | 2018-11-06 14:39 -0800 |
| Message-ID | <55b3ae08-02b2-43de-bd1f-b6beaf12cb1a@googlegroups.com> |
| In reply to | #476450 |
On Tuesday, November 6, 2018 at 5:03:36 PM UTC-5, Odd Bodkin wrote: > Keith Stein <keithstein111@gmail.com> wrote: > Note that’s different than what you wrote above. He's to much of a coward to admit he totally goofed his own puzzle that he changes it as he goes along... We know too well these tactics of these cranks.
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| From | Keith Stein <keithstein111@gmail.com> |
|---|---|
| Date | 2018-11-07 00:12 +0000 |
| Message-ID | <I5qED.108739$RM7.22689@fx24.am4> |
| In reply to | #476453 |
On 30/10/2018 20:34, rotchm wrote: > On Tuesday, October 30, 2018 at 1:24:11 PM UTC-4, 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? > A simple & direct problem. No 'catches' in there. > The expectation is higher for the switch. No,No and No eh! :) L) :)
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| From | rotchm <rotchm@gmail.com> |
|---|---|
| Date | 2018-11-06 17:18 -0800 |
| Message-ID | <f6589489-54ec-4811-8338-0d540801f833@googlegroups.com> |
| In reply to | #476458 |
On Tuesday, November 6, 2018 at 7:12:27 PM UTC-5, Keith Stein wrote: > On 30/10/2018 20:34, rotchm wrote: > > A simple & direct problem. No 'catches' in there. > > The expectation is higher for the switch. > > > No,No and No eh! Well, yes, as you agreed. Now you are contradicting yourself. Google kept a record. Face it, you are just an idiot who's goal now is only to have some attention.
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| From | Keith Stein <keithstein111@gmail.com> |
|---|---|
| Date | 2018-11-07 04:58 +0000 |
| Message-ID | <4iuED.193387$e55.157587@fx39.am4> |
| In reply to | #476462 |
On 07/11/2018 01:18, rotchm wrote: ......... Google kept a record. On 30/10/2018 20:34, rotchm wrote: > On Tuesday, October 30, 2018 at 1:24:11 PM UTC-4, Keith Stein wrote: >> " TRICK or TREAT ?" >> >> The math teacher came to the door with a box containing sweets, >> and handed it to the children. "Wait there a moment" he said. >> >> A moment later he reappeared at the door carrying a second box. >> "Now you must choose which box you want." he says "I can tell you >> that there is a 50% chance that this box has twice as many sweets, >> but there is a 50% chance that it only has half as many sweets as >> that first box, so which box do you want, the first box, or the >> second box ?". >> >> Witch box should the children choose? > A simple & direct problem. No 'catches' in there. > The expectation is higher for the switch.
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| From | Keith Stein <keithstein111@gmail.com> |
|---|---|
| Date | 2018-11-01 17:37 +0000 |
| Message-ID | <cRGCD.166774$F96.157492@fx40.am4> |
| In reply to | #476001 |
On 01/11/2018 14:54, Keith Stein wrote: > On 01/11/2018 14:23, rotchm wrote: >> On Thursday, November 1, 2018 at 10:21:01 AM UTC-4, Keith Stein wrote: >> >>> As usual Rotchm gives the children THE WORST POSSIBLE ADVICE eh! >> >> Again you are wrong. > > No Rotchm, again you are wrong, > > and before you proceed to make an even bigger fool of yourself let me > explain to you just how the teacher did set it up. He used a 3 BOX > set up, but rather than giving the children at the door,the average box > with n sweets, he gives them either of the 2n or n/2 box at random eh! > and keeping the average box with n sweets for himself -to present to the children as their choice to SWAP with,so as to ensure that they do have a 50% chance that the box has twice as much,and a 50% chance that it only has half as much, as promised eh!
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| From | Keith Stein <keithstein111@gmail.com> |
|---|---|
| Date | 2018-11-01 19:46 +0000 |
| Message-ID | <1KICD.175953$1C7.52893@fx38.am4> |
| In reply to | #475991 |
On 01/11/2018 14:21, Keith Stein wrote: > On 31/10/2018 03:20, rotchm wrote: >> On Tuesday, October 30, 2018 at 8:48:13 PM UTC-4, Keith Stein wrote: >> >>> So the children swapped their box for the second box. >>> Then the math teacher, holding up the first box said >>> >>> "There is a 50% chance that this box has twice as many sweets, >>> but there is a 50% chance that it only has half as many sweets as >>> that second box, so which box do you want, the first box, or the >>> second box ?". >>> >>> "OH WHAT SHOULD WE DO NOW, CLEVER ROTCHM ????" said the children. >> >> No matter what the teacher says after the initial swap, >> the expectation in keeping it remains as is. Swapping >> a second time will just reduce the expectation back to >> the initial value. So, no, the children are not to swap a second time. > > > As usual Rotchm gives the children THE WORST POSSIBLE ADVICE eh! On 01/11/2018 14:23, rotchm wrote: > Again you are wrong.
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| From | "Chris M. Thomasson" <invalid_chris_thomasson@invalid.invalid> |
|---|---|
| Date | 2018-10-30 14:47 -0700 |
| Message-ID | <prajh5$fe8$1@dont-email.me> |
| In reply to | #475896 |
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!) Would a gambler flip the coin? Think if a kid weighed the first box and said "Ahh, that's good enough." ;^)
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| From | Keith Stein <keithstein111@gmail.com> |
|---|---|
| Date | 2018-11-01 14:35 +0000 |
| Message-ID | <_aECD.229173$8g.91064@fx08.am4> |
| In reply to | #475918 |
On 30/10/2018 21:47, Chris M. Thomasson wrote:
> On 10/30/2018 10:24 AM, Keith Stein wrote:
>> " TRICK or TREAT ? "
>>
>> The math teacher came to the door with a box containing sweets,
>> and handed it to the children. "Wait there a moment" he said.
>>
>> A moment later he reappeared at the door carrying a second box.
>> "Now you must choose which box you want." he says "I can tell you
>> that there is a 50% chance that this box has twice as many sweets,
>> but there is a 50% chance that it only has half as many sweets as
>> that first box, so which box do you want, the first box, or the
>> second box ?".
>>
>> Witch box should
>> the children choose ?
>> (Assuming they wish to maximize their sweet collection eh!)
>
> Would a gambler flip the coin? Think if a kid weighed the first box and
> said
"Ahh, that's good enough."
if you, Mr. Thomasson, are recommending that the children should be
content, (i.e. to 'STICK'), then indeed i think you were in fact the
ONLY ONE, who gave those children ( at the door on HALLOWEEN NIGHT ),
SOUND ADVICE
eh!
> ;^)
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| From | "Chris M. Thomasson" <invalid_chris_thomasson@invalid.invalid> |
|---|---|
| Date | 2018-11-05 23:22 -0800 |
| Message-ID | <prrfer$tq8$1@dont-email.me> |
| In reply to | #475996 |
On 11/1/2018 7:35 AM, Keith Stein wrote: > On 30/10/2018 21:47, 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!) >> >> Would a gambler flip the coin? Think if a kid weighed the first box >> and said > "Ahh, that's good enough." > > > > if you, Mr. Thomasson, are recommending that the children should be > content, (i.e. to 'STICK'), then indeed i think you were in fact the > ONLY ONE, who gave those children ( at the door on HALLOWEEN NIGHT ), > SOUND ADVICE > eh! Thank you Keith. :^)
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| From | Thomas 'PointedEars' Lahn <PointedEars@web.de> |
|---|---|
| Date | 2018-10-31 02:31 +0100 |
| Subject | [OT] Which box? (was: Witch box ?) |
| Message-ID | <9559154e-97e5-d169-38ca-3f45307977b5@PointedEars.de> |
| In reply to | #475896 |
Keith Stein amok-crossposted to sci.physics.relativity and sci.physics, even though the charter explicitly says not to do that: > " TRICK or TREAT ? " > > The math teacher […] > > Witch box should > the children choose ? > (Assuming they wish to maximize their sweet collection eh!) You are in violation of the charters of sci.physics.ALL, and you are wildly off topic. Subject like these belong in sci.math instead. Physics uses mathematics only as a tool, not to solve purely mathematical problems like this. Therefore, any mathematical subject that has no relation to physics is off topic. This one certainly has no relation to physics. Also, the question word is spelled “_which_”. And it is “sweets collection” or “collection of sweets”; in British English, “sweet” is a noun indeed, but as a collection always contains more than one piece, you have to use the plural form. Finally, (different to French) in English a sentence ending mark and a closing quotation mark are not preceded by whitespace, and an opening quotation mark is not followed by whitespace. F’up2 sci.math -- PointedEars Twitter: @PointedEars2 Please do not cc me. / Bitte keine Kopien per E-Mail.
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| From | moroney@world.std.spaamtrap.com (Michael Moroney) |
|---|---|
| Date | 2018-10-31 03:19 +0000 |
| Subject | Re: [OT] Which box? (was: Witch box ?) |
| Message-ID | <prb70a$bou$1@pcls7.std.com> |
| In reply to | #475924 |
Thomas 'PointedEars' Lahn <PointedEars@web.de> writes: >Keith Stein amok-crossposted to sci.physics.relativity and sci.physics, even >though the charter explicitly says not to do that: [snip whining] >Also, the question word is spelled “_which_ Are you really that stuck up that you don't even get his joke? Hint: Halloween... [snip more whining]
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| From | Keith Stein <keithstein111@gmail.com> |
|---|---|
| Date | 2018-11-01 07:59 +0000 |
| Subject | Only the teacher knows the answer eh! |
| Message-ID | <unyCD.125069$el1.13951@fx34.am4> |
| In reply to | #475896 |
On 30/10/2018 17:24, 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 ?
It may be that the best strategy is to swap once, and only once,
as recommended by Rotchm:
"The expectation is higher for the switch."rotchm
This would indeed be the case if he had prepared a box with 'n' sweets
to hand initially to the children. He had also prepared a second box
with '2n' sweets,and a third box with 'n/2' sweets, which he shuffles
so that he himself does not know which has '2n' and which has 'n/2'.
However it could also be true that:
"It doesn't matter if you (randomly) take the first box or not;
it all evens out in the end, after 100 visits." Jeff Relf
This would indeed be the case is he had prepared just two boxes,
one with 'n' sweets, and one with '2n' sweets, which again he
shuffles, so that he doesn't know witch is witch, and this would
be easier eh!
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| From | Keith Stein <keithstein111@gmail.com> |
|---|---|
| Date | 2018-11-01 13:34 +0000 |
| Subject | Re: Only the teacher knows the answer eh! |
| Message-ID | <%hDCD.101937$%N3.89725@fx11.am4> |
| In reply to | #475980 |
On 01/11/2018 07:59, Keith Stein wrote: > On 30/10/2018 17:24, 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 ? > > It may be that the best strategy is to swap once, and only once, > as recommended by Rotchm: > > "The expectation is higher for the switch."rotchm > > This would indeed be the case if he had prepared a box with 'n' sweets > to hand initially to the children. He had also prepared a second box > with '2n' sweets,and a third box with 'n/2' sweets, which he shuffles > so that he himself does not know which has '2n' and which has 'n/2'. > > > However it could also be true that: > > "It doesn't matter if you (randomly) take the first box or not; > it all evens out in the end, after 100 visits." Jeff Relf > > This would indeed be the case is he had prepared just two boxes, > one with 'n' sweets, and one with '2n' sweets, which again he > shuffles, so that he doesn't know witch is witch, and this would > be easier eh! I should add, that in the way the teacher did actually did set it up, both Rotchm and Jeff were BOTH WRONG eh!
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| From | rotchm <rotchm@gmail.com> |
|---|---|
| Date | 2018-11-01 07:27 -0700 |
| Subject | Re: Only the teacher knows the answer eh! |
| Message-ID | <ca470748-6923-4283-b0b9-a6abd690069a@googlegroups.com> |
| In reply to | #475985 |
On Thursday, November 1, 2018 at 9:34:54 AM UTC-4, Keith Stein wrote: > On 01/11/2018 07:59, Keith Stein wrote: > I should add, > that in the way the teacher did actually did set it up, > both Rotchm and Jeff were BOTH WRONG eh! Nope. I am right. Show ur 'solution' & I will point out the error in ur reasoning.
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| From | Keith Stein <keithstein111@gmail.com> |
|---|---|
| Date | 2018-11-01 15:11 +0000 |
| Subject | Re: Only the teacher knows the answer eh! |
| Message-ID | <cJECD.158511$6N5.136509@fx29.am4> |
| In reply to | #475994 |
On 01/11/2018 14:27, rotchm wrote: > On Thursday, November 1, 2018 at 9:34:54 AM UTC-4, Keith Stein wrote: >> On 01/11/2018 07:59, Keith Stein wrote: > >> I should add, >> that in the way the teacher did actually did set it up, >> both Rotchm and Jeff were BOTH WRONG eh! > > Nope. I am right. Show ur 'solution' & I will point out the error in ur reasoning. > On 01/11/2018 14:54, Keith Stein wrote: > On 01/11/2018 14:23, rotchm wrote: >> On Thursday, November 1, 2018 at 10:21:01 AM UTC-4, Keith Stein wrote: >> >>> As usual Rotchm gives the children THE WORST POSSIBLE ADVICE eh! >> >> Again you are wrong. > > No Rotchm, again you are wrong, > > and before you proceed to make an even bigger fool of yourself let me > explain to you just how the teacher did set it up. He used a 3 BOX > set up, but rather than giving the children at the door,the average > with n sweets, he gives them either of the 2n or n/2 box at random > eh!
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