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Don't Be a Square (Posted on 2003-05-19) Difficulty: 4 of 5
Given n points drawn randomly on the circumference of a circle, what is the probability they will all be within any common semicircle?

See The Solution Submitted by DJ    
Rating: 4.4667 (15 votes)

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Hints/Tips My idea as well | Comment 5 of 21 |
When you are putting points on a semicircle, you havea 1/2 chance of putting it on the semicircle, and a 1/2 chance of not. Other than the first point and the second point, this is the pattern that appears to me.
  Posted by Gamer on 2003-05-19 12:10:27
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