The Monty Hall problem hit the headlines in 1990, when Craig F. Whitaker of Columbia, Maryland, asked Marilyn vos Savant: ‘Suppose you’re on a game show, and you’re give… See more

There are various ways to solve the Monty Hall problem mathematically. Here is one using Bayes’ … See more

The mathematics is correct, so you do indeed seem to double your chances by switching but only provided certain assumptions hold. As the words in italics above sho… See more

The Three Prisoners problem appeared in Martin Gardner’s Mathematical Games column in Scientific Americanin 1959 . He put it like this: As we have already noted, this is math… See more

I don’t mean ‘Don’t Switch’, of course, but ‘Don’t Necessarily Switch’ isn’t as catchy a title. Whether or not you should switch depends on what assumptions you make and the sta… See more