You are in a pitch black room and need to get a pair of socks out of your drawer which can contain up to 100 socks. In the drawer is a mixture of black and white socks, and there's at least one pair of either color. If you choose two socks, the chance that you draw out a black pair is 2/3.
What is the chance that you draw out a white pair?
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Bonus: what would the answer be if the drawer contained between 100 and 1000 socks?
(In reply to
re(2): Solution to part 1 - almost, + Part 2 by Nosher)
....which gives a chance of 0.0333333 of pulling a white pair for Part 2.
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Posted by Nosher
on 2004-09-01 18:52:36 |
re(3): Solution to part 1 - almost, + Part 2
