Chapter 101 Summary

In Chapter 101, Christopher explains something called the Monty Hall Problem, which once appeared in a newspaper column. In the problem, a quiz show contestant is asked to choose one of three doors, knowing that there is a car behind one door and a goat behind each of the other two. The contestant chooses one of the doors. The host then opens one of the doors that the contestant did not initially choose, revealing a goat. The host asks the contestant whether he wants to change his choice. The problem is, will the contestant have better odds of winning if he changes doors or if he sticks with his original choice? The intuitive answer is that the odds are exactly even—fifty-fifty—for the two doors, but Christopher offers a diagram that proves that the odds are two to one in favor of changing...