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?
(In reply to That can't be right (Hint, Spoiler)
by Steve Herman)
Remember, this is a difficulty 1 puzzle; there's a way of solving this without calculus.
Posted by Charlie
on 2009-05-11 12:55:43