This column is the first of a series on probability. My intention is to give you some basic understanding of probability theory and discuss some of its practical applications. Mathematical thinking in ...

There are 36 cards labeled with the numbers 1 through 36 and then placed face down on a table. If four cards are revealed one after the other, what is the probability that each card’s number is larger ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Thomas J Catalano is a CFP and Registered ...

If you’ve ever shuffled a deck of playing cards, you’ve most likely created a unique deck. That is, you’re probably the only person who has ever arranged the cards in precisely that order. Although ...

ON 8 September 1526, the Blessed Virgin’s birthday, Jerome Cardano was in Venice. While others were praying, Cardano was playing cards at the house of senator Thomas Lezun. He was confident that his ...