Does this mean there is a 50-50 chance that there are at least 23 of us?

#001 | Jacehan | Mon 4 Oct 2010 @ 12:29:12 AM (UTC)

What with two people sharing a birthday....
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#002 | willis5225 | Mon 4 Oct 2010 @ 12:33:47 AM (UTC)

I thought as a board we nixed probability.
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#003 | Jacehan | Mon 4 Oct 2010 @ 12:34:18 AM (UTC)

Wait, like, what, we decided to not have probability anymore?
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"To truly live, one must first be born." ~ Evan [aX]
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#004 | freepizza | Mon 4 Oct 2010 @ 12:35:50 AM (UTC)

I think it's a pretty low probability that we would do that.
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#005 | Dont Interrupt Me | Mon 4 Oct 2010 @ 1:28:21 AM (UTC)

That depends. Are all group sizes equally possible, up to arbitrary size? If so, the chances of the group being less than 23 people is negligible. However, if the problem specifies that there is exactly one pair of people who share a birthday, it becomes more interesting, but not necessarily that much more interesting.
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#006 | UtarEmpire | Tue 5 Oct 2010 @ 10:28:36 AM (UTC)

I don't think it's a biconditional statement.
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x is an irrational number if and only if the set { nx mod 1 | n is a natural number } is dense in [0,1].

#007 | Weird Kirby Dude11 | Wed 6 Oct 2010 @ 4:04:46 AM (UTC)

I thought we all determined we were all the same person?
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