jump to navigation

Problem of the Day #163: Random Hand Grabbing August 29, 2011

Posted by Alex in : potd , trackback

$16$ people are playing a game called “Human Knot.” Each person reaches for another’s hand randomly with each hand such that each pair of hands is equally likely to grab each other. What is the probability that, once untangled, the people form a single closed loop?

Comments»

no comments yet - be the first?