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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: ( Back to comment list | You must be logged in to post comments.)
re: Is this? | Comment 7 of 15 |
(In reply to Is this? by pcbouhid)

You're only calculating the probability of crossing that median diameter, not of crossing the original chord.
  Posted by Charlie on 2009-05-11 17:27:58

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