The mind-melting probability puzzle is known as the Monty Hall problem.
Readers were mystified when a recent Magazine piece made mentioned the Monty Hall dilemma, in which a contestant must choose one of three boxes. Math educator Dr. John Moriarty wonders why this probability scenario causes everyone’s brains to hurt so much. Alan Davies is given an explanation of probability and the Monty Hall dilemma by Marcus du Sautoy on Horizon. Take Deal or No Deal and replace it with just three sealed red boxes. This brainteaser, which was first presented by Steve Selvin in 1975 and was published in the scholarly magazine American Statistician, was alluded to in an AL Kennedy article on change this week.