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Random chord problem (Posted on 2009-05-11) Difficulty: 1 of 5
Pick two points at random on a circle and draw the chord connecting them.

Pick two more points and connect them with a second chord.

What is the probability that these chords intersect?

See The Solution Submitted by Jer    
Rating: 3.0000 (1 votes)

Comments: ( You must be logged in to post comments.)
  Subject Author Date
re(2): solution, maybe (good question)Jer2009-05-12 13:47:39
re(3): solution, maybeSteve Herman2009-05-12 13:37:17
re(2): solution, maybeCharlie2009-05-12 11:10:59
Solutionre: solution, maybeCharlie2009-05-11 22:56:01
re(2): solution, maybe (good question) (my bad)Daniel2009-05-11 21:03:33
SolutionFinishing the math (spoiler)Steve Herman2009-05-11 20:45:02
re: solution, maybe (good question)Daniel2009-05-11 20:09:37
Solutionsolution, maybeStephanie2009-05-11 19:35:23
re: Is this?Charlie2009-05-11 17:27:58
SolutionIs this?pcbouhid2009-05-11 17:21:38
re: difficulty-oneCharlie2009-05-11 17:20:48
difficulty-oneed bottemiller2009-05-11 16:42:31
Hints/Tipsre: That can't be right (Hint, Spoiler)Charlie2009-05-11 12:55:43
Hints/TipsThat can't be right (Hint, Spoiler)Steve Herman2009-05-11 12:39:41
solutionDaniel2009-05-11 12:03:38
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