Re: Post your \"surebets\"
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the chances of asking 30 random people thier birthday, and having 2 have the same b-day is about a 70% lock, its really easy to get bet in at a bar.
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!?!???!?!?!
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ASk this question in the Probability Forum. They'll tell you that the break-even point for this is 23 people (to get a 50/50 chance at 2 people having the same b-day). Anything more than that is gravy.
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