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factor-fiction | 11:26 Wed 29th Oct 2014 | Science
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Following on from the entertaining Dice and Socks threads earlier this week I've now found the problem about the sex of children.

One version goes: "You know that Mr. Smith has two children and that at least one of them is a boy. What is the probability that both children are boys?"

Thoughts please?
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Avatar Image Old_Geezer
Aye we do not know the first born is a boy. That is a different question. And one too easy to get right as it is instinctive.
20:01 Sat 01st Nov 2014
Avatar Image Tilly2
Isn't the answer Tallulah, probably?
20:03 Sat 01st Nov 2014
Avatar Image tonyav
I think it's Lola, Yilly.
20:06 Sat 01st Nov 2014
Avatar Image Old_Geezer
Sigh
... to NOT get right...
as typed
20:06 Sat 01st Nov 2014
Avatar Image borrower
Ive got one of each a black and a white
20:06 Sat 01st Nov 2014

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