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elitfromnorth
Posted: Monday, July 09, 2012 3:38:02 PM

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I have yet to see a mathematical intellectual debate here, so let's try with this one.



"It's at that point you realise Lady Luck is actually a hooker, and you're fresh out of cash."
MMonroe
Posted: Monday, July 09, 2012 4:05:59 PM

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Im gonna go with either none of them, since there is no right answer OR he answer would be a or d - 25%



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nicola
Posted: Monday, July 09, 2012 6:04:58 PM

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I initially thought 50%, however that's the likelihood of getting 25%, which may not be the right answer at all.

So I'll guess since there are 4 answers, the chances you pick the right one, is probably 100 / 4 = 25%.
Naughty_Magician
Posted: Monday, July 09, 2012 6:22:38 PM

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Actually there are three answers (25% is given twice). So it should be 1/3 or 100/3 = 33.33%.

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overmykneenow
Posted: Tuesday, July 10, 2012 1:01:37 AM

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The answer is 0%

For an answer to be correct, the value must exactly match the chance of it being correct: there isn't a 50% chance of selecting B and there isn't a 25% chance of selecting A or D. All the answers are therefore wrong.

That's a tremendous offer, Mr Banker... but NO DEAL!

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crazydiamond
Posted: Tuesday, July 10, 2012 1:10:21 AM

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elitfromnorth wrote:
I have yet to see a mathematical intellectual debate here, so let's try with this one.



Mathsdebater, Mathsdebater, Mathsdebater kekekegay

overmykneenow
Posted: Tuesday, July 10, 2012 1:39:34 AM

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crazydiamond wrote:


Mathsdebater, Mathsdebater, Mathsdebater kekekegay


It's actually a logic debate but let's not split hairs

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DirtyMartini
Posted: Tuesday, July 10, 2012 1:49:10 AM

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elitfromnorth
Posted: Tuesday, July 10, 2012 3:43:12 AM

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No you can't get another question. Unless you want me to find you one that's even more of a mindfuck=P

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overmykneenow
Posted: Tuesday, July 10, 2012 4:00:43 AM

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elitfromnorth wrote:
No you can't get another question. Unless you want me to find you one that's even more of a mindfuck=P


It's not really a mind-fuck just poor logic

The only correct solution for this is where only one answer is 25% or all the answers are 100%





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Dirty_D
Posted: Tuesday, July 10, 2012 6:25:04 AM

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On nursing tests there are always 2 way out there answers and 2 potentially correct/very close answers so usually I can narrow it down to 50%
Ruthie
Posted: Tuesday, July 10, 2012 8:58:47 AM

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Naughty_Magician wrote:
Actually there are three answers (25% is given twice). So it should be 1/3 or 100/3 = 33.33%.


There are three answers, but there are four choices, and since you're choosing at random you still have a 25% chance of being right. You are choosing A, B, C or D, not mathematical percentages. The chance of picking the correct answer at random is one in four. The odds of picking 25%, however, is one in two. Twenty five percent is not necessarily the correct answer though, so the chance of picking the correct answer out of four possibilities remains 25%.
Guest
Posted: Wednesday, July 11, 2012 12:01:41 AM

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0.

The question and choices are like the carrot leading the horse.
overmykneenow
Posted: Wednesday, July 11, 2012 1:59:06 AM

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For a real mind-fuck replace "C) 60%" with "C) 0%"

The chance of selecting 0% is 25% - which doesn't match the answer so all the options are wrong, so again there is a 0% chance of selecting the correct answer. But the chance of selecting 0% is 25% which doesn't match the answer so all the options are wrong... and welcome to a recursive paradox!

I could explain a recursive paradox but I never tell the truth anyway.

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Guest
Posted: Wednesday, July 11, 2012 10:27:16 AM

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The answer has nothing to do with 4 choices :) 0%, as there is no correct answer :)
badwolf64
Posted: Wednesday, July 11, 2012 7:09:24 PM

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Most people, when given a choice of one to four or a thru d will usually pick the third answer or c. Read a report on it when i was in college. Makes for good bar bets because of that. Can,t remember the percentage in the study, but it's probably around 60%. That make the op more about human nature and less about math.
DLizze
Posted: Thursday, July 12, 2012 9:17:35 PM

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badwolf64 wrote:
Most people, when given a choice of one to four or a thru d will usually pick the third answer or c.

Which is why the answers in the Principles and Practice of Engineering, and in The Fundamentals of Engineering examinations are assigned to the letters A-D by a computer-generated random number algorithm.
BUt to go back to the original premise of the thread, since the posited question is one of logic, and arguably mathematics only in the sense of applied math, here is anbother example of applied mathematics. (and one, to my way of thinking that is much more fun to contemplate)


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overmykneenow
Posted: Friday, July 13, 2012 4:30:42 AM

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DLizze wrote:

Which is why the answers in the Principles and Practice of Engineering, and in The Fundamentals of Engineering examinations are assigned to the letters A-D by a computer-generated random number algorithm.
BUt to go back to the original premise of the thread, since the posited question is one of logic, and arguably mathematics only in the sense of applied math, here is anbother example of applied mathematics. (and one, to my way of thinking that is much more fun to contemplate)


An algorithm can only ever produce a "Pseudo-random" number surely ;)

That pic reminds me of something MMonroe found and posted on the forum... Scientifically Perfect Breasts

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DirtyMartini
Posted: Friday, July 13, 2012 7:03:33 AM

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CoopsRuthie wrote:

so the chance of picking the correct answer out of four possibilities remains 25%.


Yeah, that would normally make sense...but, what if none of the answers is actually the correct answer?

Actually, it's too early for this...let's try a simpler question...what are the chances I will finish my coffee?

Here are the choices...think hard...
A. 100%
B. 100%
C. 100%
D. 100%

I'll be back later...


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Guest
Posted: Friday, July 13, 2012 4:32:15 PM

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That's funny, I calculate vertical curves every day and I have never seen a chart quite like that one :)
adele
Posted: Wednesday, July 18, 2012 8:49:16 AM

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freefallin1309 wrote:
The answer has nothing to do with 4 choices :) 0%, as there is no correct answer :)


This is exactly correct. 0%

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nicola
Posted: Thursday, July 19, 2012 1:09:12 AM

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Damn you paradoxes!

(I googled it in the end, take a look here if you'd like a bit more confusion...: http://www.solipsys.co.uk/new/MultipleChoiceProbabilityPuzzle.html?HN)
overmykneenow
Posted: Sunday, July 22, 2012 12:18:40 PM

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nicola wrote:
Damn you paradoxes!

(I googled it in the end, take a look here if you'd like a bit more confusion...: http://www.solipsys.co.uk/new/MultipleChoiceProbabilityPuzzle.html?HN)


The first rule of Paradox Club is there are no rules.

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Ruthie
Posted: Sunday, July 22, 2012 3:32:49 PM

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Russell's paradox: "There was once a barber. Some say that he lived in Seville. Wherever he lived, all of the men in this town either shaved themselves or were shaved by the barber. And the barber only shaved the men who did not shave themselves."

You have to follow Nicola's link to the explanation of Russell's paradox, but I find myself disagreeing with the writer. I don't see anything at all inconsistent about the barber story.
Ruthie
Posted: Sunday, July 22, 2012 3:33:19 PM

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And I will gladly explain why if someone is interested enough to check it out.
DirtyMartini
Posted: Sunday, July 22, 2012 3:41:34 PM

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Yeah, I didn't think there was a correct answer...

Speaking of paradoxes...or is it paradoxii? Anyway, was trying to think of the one about Cretans being liars...I think this is it...

Epimenides paradox
http://en.wikipedia.org/wiki/Epimenides_paradox


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overmykneenow
Posted: Monday, July 23, 2012 12:26:41 AM

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CoopsRuthie wrote:
Russell's paradox: "There was once a barber. Some say that he lived in Seville. Wherever he lived, all of the men in this town either shaved themselves or were shaved by the barber. And the barber only shaved the men who did not shave themselves."

You have to follow Nicola's link to the explanation of Russell's paradox, but I find myself disagreeing with the writer. I don't see anything at all inconsistent about the barber story.


The inconsistency of the Barber story is (as in the original case above) how the question is posed.

Men shave themselves OR men are shaved by the barber

Question: Who shaves the barber?

The paradox arising from the fact he has to belong to both groups whereas everyone else sits in one or the other


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Magical_felix
Posted: Monday, July 23, 2012 6:30:37 PM

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badwolf64 wrote:
Most people, when given a choice of one to four or a thru d will usually pick the third answer or c. Read a report on it when i was in college. Makes for good bar bets because of that. Can,t remember the percentage in the study, but it's probably around 60%. That make the op more about human nature and less about math.


I remember one of my teachers writing that same thing on a board in college. What is this picture even from? A math class, philosophy or test taking class or what? I was told that it is human nature to try and hide the answers in C. A being kinda dumb, B being close, C being the answer and D being an all of the above or something strange or tricky. There was some study or some crap. Of course it's not for every question but C always turned out to be the most common answer. It wasn't even based on math if I remember correct.

I think they also said that citrus helps memory............Like having citrus flavored life savers while studying and then having them while taking the test. You can decide if that adds or subtracts credibility from the study on C being the right answer more than A, B, and D. I think they said true was a better bet than false as well.



T_Elle
Posted: Monday, July 23, 2012 7:36:41 PM

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Wonder if Clum knows about this thread. He's our resident math geek... (love you, honey!) love7
Guest
Posted: Monday, July 23, 2012 7:37:53 PM

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Did the Barber of Seville live in "this town?"
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