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Heads up


Best Answer Rainman, 28 February 2014 - 12:29 PM

I think my point still holds, only now the conditions are "magically reversed".

Spoiler for
Go to the full post


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6 replies to this topic

#1 bonanova

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Posted 25 February 2014 - 06:46 PM

Joe and Moe have nothing to do, so they take turns flipping a fair coin.

 

Moe's mother interrupts their play by calling them inside for lunch.

Given that Joe was the first to flip, what is the probability that

Joe flipped more heads than Moe did when they stopped?

 

When Moe's mother interrupted their play by calling them inside for lunch, one of them had flipped more heads than the other.

Given that Joe was the first to flip, what is the probability that it was Joe who flipped more heads?

 

w075


Edited by bonanova, 27 February 2014 - 09:14 PM.
Clarified a point

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The greatest challenge to any thinker is stating the problem in a way that will allow a solution.
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#2 Rainman

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Posted 27 February 2014 - 04:40 PM

Spoiler for I think


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#3 bonanova

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Posted 27 February 2014 - 09:11 PM

Spoiler for I think

 

Yes, I see your point. I think the OP was not well formed. I edited it.


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#4 Rainman

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Posted 28 February 2014 - 12:29 PM   Best Answer

I think my point still holds, only now the conditions are "magically reversed".
Spoiler for

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#5 bonanova

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Posted 28 February 2014 - 01:29 PM

I think my point still holds, only now the conditions are "magically reversed".

Spoiler for


Spoiler for But

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The greatest challenge to any thinker is stating the problem in a way that will allow a solution.
- Bertrand Russell

#6 Rainman

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Posted 28 February 2014 - 05:49 PM

 

I think my point still holds, only now the conditions are "magically reversed".

Spoiler for


Spoiler for But

Spoiler for Yes, but


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#7 bonanova

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Posted 28 February 2014 - 11:37 PM

 

 

I think my point still holds, only now the conditions are "magically reversed".

Spoiler for


Spoiler for But

Spoiler for Yes, but

 

 

Spoiler for Right you are


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The greatest challenge to any thinker is stating the problem in a way that will allow a solution.
- Bertrand Russell




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