Author Topic: Brain Teaser  (Read 33429 times)

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Offline EdrickV

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:eek2: :wtf: :confused:

Ok, this one I'm not even going to try. :)
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Offline CP5670

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Quote
There's no such thing as half a hole. :)


argh, lol, you're right! :p :D

Quote
"Therein lies the secret," said Scheming Suzie. "For you see, there is a seven-letter word in the English language that contains ten words without rearranging any of its letters." What is the word?


This looks like one for our English experts, but let me think... :D

Do repeated words count? (e.g. two instances of "I" )

 

Offline CP5670

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Ah, I think I got it!

therein:

the
there
therein
he
her
here
herein
rein
I
in

 

Offline EdrickV

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:eek2: Therein lie the words. ;)
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Offline Ulala

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Yup, you got it. Therein is the correct answer. Nice! *tosses CP a cookie* Mmm... well I can't think of any others off the top of my head. *sniff* I'll try to think up some others later.
I am a revolutionary.

 

Offline ZylonBane

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Oh man, after all those stupid "d'oh!" questions, you guys are totally asking for this one. You're driven me to unleash the dreaded Three Doors Problem! :drevil:

The Three Doors problem, also known as the Monty Hall problem: Say you're a contestant on a game show. There are three doors. Behind one door is a prize. Only the host knows which door has the prize behind it.

You get to pick a door. The host then picks another door (one without a prize behind it) and opens it. He then offers you the chance to stick with your original choice, or switch your choice to the remaining unopened door.

So the question is: What gives you a better chance of winning? Staying, or switching?

There are no tricks or gimmicks to the phrasing of this puzzle. It's a straight exercise in statistics. Those of you who already know this one... shhhh! :wink:
« Last Edit: October 27, 2002, 09:48:09 pm by 264 »
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Offline Knight Templar

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uh statistically, don't you have a 50-50 chance either way?
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Offline ZylonBane

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Offline Knight Templar

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is it 66.7 percent for the door your not with and 33.3 for the one you are with?

or something like that... pure statistic , no bull you say?
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Offline Sandwich

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Quote
Originally posted by ZylonBane
So the question is: What gives you a better chance of winning? Staying, or switching?


Neither option, since your chances won't improve statistically. :D
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"...The quintessential quality of our age is that of dreams coming true. Just think of it. For centuries we have dreamt of flying; recently we made that come true: we have always hankered for speed; now we have speeds greater than we can stand: we wanted to speak to far parts of the Earth; we can: we wanted to explore the sea bottom; we have: and so  on, and so on: and, too, we wanted the power to smash our enemies utterly; we have it. If we had truly wanted peace, we should have had that as well. But true peace has never been one of the genuine dreams - we have got little further than preaching against war in order to appease our consciences. The truly wishful dreams, the many-minded dreams are now irresistible - they become facts." - 'The Outward Urge' by John Wyndham

"The very essence of tolerance rests on the fact that we have to be intolerant of intolerance. Stretching right back to Kant, through the Frankfurt School and up to today, liberalism means that we can do anything we like as long as we don't hurt others. This means that if we are tolerant of others' intolerance - especially when that intolerance is a call for genocide - then all we are doing is allowing that intolerance to flourish, and allowing the violence that will spring from that intolerance to continue unabated." - Bren Carlill

 

Offline Ulala

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What Sandwich said.
I am a revolutionary.

 

Offline Sandwich

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Huh - actually, now that I think about it, the chances would be better if you switched doors. Here's why:

Originally, the chances of you picking the door with the prize are one in three, or 1/3rd. So statistically, it's unlikely that you have chosen the correct door. Elimination of a non-prize door does not change that fact. So despite the fact that starting from the 2-door phase would give you 50-50 chances, the fact of the matter is that in entering the 2-door phase, you are twice as likely to have already picked a prizeless door than the one with the prize.

So KT's second guess is correct. :yes:
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"...The quintessential quality of our age is that of dreams coming true. Just think of it. For centuries we have dreamt of flying; recently we made that come true: we have always hankered for speed; now we have speeds greater than we can stand: we wanted to speak to far parts of the Earth; we can: we wanted to explore the sea bottom; we have: and so  on, and so on: and, too, we wanted the power to smash our enemies utterly; we have it. If we had truly wanted peace, we should have had that as well. But true peace has never been one of the genuine dreams - we have got little further than preaching against war in order to appease our consciences. The truly wishful dreams, the many-minded dreams are now irresistible - they become facts." - 'The Outward Urge' by John Wyndham

"The very essence of tolerance rests on the fact that we have to be intolerant of intolerance. Stretching right back to Kant, through the Frankfurt School and up to today, liberalism means that we can do anything we like as long as we don't hurt others. This means that if we are tolerant of others' intolerance - especially when that intolerance is a call for genocide - then all we are doing is allowing that intolerance to flourish, and allowing the violence that will spring from that intolerance to continue unabated." - Bren Carlill

 

Offline RandomTiger

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Quote
Originally posted by ZylonBane
What gives you a better chance of winning? Staying, or switching?


Since the question is which is 'best' not certain, I say Switch.
Since there are three doors theres a 66.6% chance you will pick the wrong door.

Edit: Damn it, Sandwich got there first!

 

Offline Sandwich

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Quote
Originally posted by RandomTiger

Edit: Damn it, Sandwich got there first!


Nyah nyah. :p
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"...The quintessential quality of our age is that of dreams coming true. Just think of it. For centuries we have dreamt of flying; recently we made that come true: we have always hankered for speed; now we have speeds greater than we can stand: we wanted to speak to far parts of the Earth; we can: we wanted to explore the sea bottom; we have: and so  on, and so on: and, too, we wanted the power to smash our enemies utterly; we have it. If we had truly wanted peace, we should have had that as well. But true peace has never been one of the genuine dreams - we have got little further than preaching against war in order to appease our consciences. The truly wishful dreams, the many-minded dreams are now irresistible - they become facts." - 'The Outward Urge' by John Wyndham

"The very essence of tolerance rests on the fact that we have to be intolerant of intolerance. Stretching right back to Kant, through the Frankfurt School and up to today, liberalism means that we can do anything we like as long as we don't hurt others. This means that if we are tolerant of others' intolerance - especially when that intolerance is a call for genocide - then all we are doing is allowing that intolerance to flourish, and allowing the violence that will spring from that intolerance to continue unabated." - Bren Carlill

 

Offline ZylonBane

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Anyone disagree with Sandwich's conclusion?
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Offline Knight Templar

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Quote
So KT's second guess is correct.


*ahem*  ;)



I don't know, i think i could be right. Tell us, tell us!
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Offline EdrickV

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It seems to me, that if you're standing there with two doors and one has a prize behind it, it doesn't matter what you do because you will still have a 50-50 chance of getting it right. (Or getting it wrong.) Staying or switching won't change that.
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Offline Sesquipedalian

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Originally posted by EdrickV
It seems to me, that if you're standing there with two doors and one has a prize behind it, it doesn't matter what you do because you will still have a 50-50 chance of getting it right. (Or getting it wrong.) Staying or switching won't change that.


Unless the gameshow host would have simply opened the door and granted the prize if you had chosen correctly, in which case you would know you had chosen incorrectly by his giving you a second chance.  But assuming that he would not have done so, then as above, and "Which is better?" is a meaningless question.
« Last Edit: October 28, 2002, 11:53:01 pm by 448 »
Sesqu... Sesqui... what?
Sesquipedalian, the best word in the English language.

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Offline ZylonBane

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Offline Knight Templar

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so i was right? :wtf:


i understand why and what it means, i am just to tired to explain why i do.. :sigh:
Copyright ©1976, 2003, KT Enterprises. All rights reserved

"I don't want to get laid right now. I want to get drunk."- Mars

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