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Strike a Chord (..Any Chord) (Posted on 2003-10-09) Difficulty: 4 of 5
What is the probability that a randomly drawn chord will be longer than the radius of the circle?

Prove it.

No Solution Yet Submitted by DJ    
Rating: 4.5263 (19 votes)

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re: A revised solution: | Comment 37 of 51 |
(In reply to A revised solution: by Benjamin J. Ladd)

This is valid only if the method used to randomize the chord was indeed to choose its midpoint. Other methods of randomization produce the other answers. There isn't just one answer.
  Posted by Charlie on 2003-11-17 08:20:40

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