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Jeros

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If you choose an answer to this question at random what is the chance you will be correct? A) 25% B) 50% C) 60% D) 25%

:p
 

Raven

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33.33333333333333333333333333333333333333333 etc %

Oh right, its too early :) yes 0% but then you would still be incorrect. I like that.
 

Scouse

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Yup. It's a motherfucker isn't it. If you plump for 25% then the answer's 50%, but if you plump for 50% then the answer's 25%. If you hit 60% you're just wrong, hence 0% for me: the question doesn't state that you have to pick an answer from the four given to answer the question :)
 

old.Tohtori

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You can't choose a random.

Random would indicate that you don't have control over the answer you choose.

So the answer is; depends on the number of answers. (this case seems 25%)

That's your random number, no matter the answers, since all answer options have an equal chance of coming up as a random.
 

Scouse

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Yes you can Toht. If someone says A, B, C or D to me, and I just pick one out of the air, then that's choosing "at random" - just like the question asks. :)
 

old.Tohtori

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One of the answers is still correct, or the question is flawed and it's a moot question.

You can't answer 0% either since it's not a random option, which would require you not to know the answers(otherwise it becomes a choice).

If one of the answers is correct, you have a 25% chance (that's just how it works).

So in essence, the question is flawed and there is no answer.
 

Scouse

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You do understand what a "paradox" is, don't you Toht?

There's nothing wrong with the question and no possibility of giving the right answer, despite technically there being a "right" answer in the question, twice...
 

Raven

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One of the answers is still correct, or the question is flawed and it's a moot question.

You can't answer 0% either since it's not a random option, which would require you not to know the answers(otherwise it becomes a choice).

If one of the answers is correct, you have a 25% chance (that's just how it works).

So in essence, the question is flawed and there is no answer.

The question should be, what percent chance do you have of picking the correct answer.

If all 4 were different and only one of them was 25% then the answer would be 25% but as there are 2 25% options there are 3 possible answers on the table, a 33.33% chance of picking the right answer. However, 33.33% is not an option therefore the chance of picking the correct answer is 0% The only problem is 0% is not an option either.

Its a paradox.
 

Scouse

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Yup. It's a paradox. There's nothing wrong with the question or the answers.


It's like this sentence: "I always lie" :)
 

Zenith.UK

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The question should be, what percent chance do you have of picking the correct answer.

If all 4 were different and only one of them was 25% then the answer would be 25% but as there are 2 25% options there are 3 possible answers on the table, a 33.33% chance of picking the right answer. However, 33.33% is not an option therefore the chance of picking the correct answer is 0% The only problem is 0% is not an option either.

Its a paradox.
You get rep for actually explaining that clearly. :)
 

old.Tohtori

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The question should be, what percent chance do you have of picking the correct answer.

If all 4 were different and only one of them was 25% then the answer would be 25% but as there are 2 25% options there are 3 possible answers on the table, a 33.33% chance of picking the right answer. However, 33.33% is not an option therefore the chance of picking the correct answer is 0% The only problem is 0% is not an option either.

Its a paradox.

Yeah it's a paradox(aka moot question as it has no answer), but have to ask, wouldn't 25% be the chance still?

If you look at it from a different angle;

What is the chance of getting 60% as the answer when picked random??

Wouldn't it be 25%?
 

Scouse

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Yeah it's a paradox(aka moot question as it has no answer), but have to ask, wouldn't 25% be the chance still?

If you look at it from a different angle;

What is the chance of getting 60% as the answer when picked random??

Wouldn't it be 25%?

The chance of getting 25% is 50% though, as there's two of 'em. But 50% would be the wrong answer. Except it isn't. Except it is. Except it isn't...... ;)
 

old.Tohtori

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The chance of getting 25% is 50% though, as there's two of 'em. But 50% would be the wrong answer. Except it isn't. Except it is. Except it isn't...... ;)

Yes yes i know :D

But if we look at it from a diffferent perspective, wouldn't the chance of getting 50% be 25%?

Afterall, it's one of four answers, and random dictates that chances are 25%?
 

dysfunction

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Yes yes i know :D

But if we look at it from a diffferent perspective, wouldn't the chance of getting 50% be 25%?

Afterall, it's one of four answers, and random dictates that chances are 25%?

You are trying to analysing it too much...when you really can't do that. As soon as you pick the "Correct" answer the % changes...

So whatever your choice it will be wrong as the answer always changes.
 

old.Tohtori

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You are trying to analysing it too much...when you really can't do that. As soon as you pick the "Correct" answer the % changes...

So whatever your choice it will be wrong as the answer always changes.

That doesn't matter. We all know the queston is flawed as it has no answer, but a random choice from 4 would be 25% no matter what.

Even if looking at the two same answers, the answer would still be A: 25 or D: 25.

The rest answers have the same chance of coming up as A, or B.

If you choose at random from A to D, without knowing the answers(as that would eliminate random factor), you have a 25% chance of choosing one answer over the other.

There's ofcourse a higher chance that the 25% answer would come up at random on several tries, but on a one shot deal it's 25%.

And ofcourse i'm analyzing it, going "lol paradox" would be rather boring.
 

Scouse

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And ofcourse i'm analyzing it, going "lol paradox" would be rather boring.

Going "lol paradox" is all you can do with it.

I'm pretty sure that everyone can see the maths here. It's not hard at all. So analysing it is pointless, since you can't ever be right.

:)
 

dysfunction

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...but a random choice from 4 would be 25% no matter what.

If you choose at random from A to D, without knowing the answers(as that would eliminate random factor), you have a 25% chance of choosing one answer over the other.

Usually this would be correct.

In this case, however, the chance of choosing the "25%" answer over the others is 50% because there are 2 answers that are the same.
 

StRaNgEdAyS

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So that means then that both 25% and 50% would be correct, but that would make 75% of the available choices correct...
 

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