Probability has a popular meaning that is not the same as the mathematical meaning. As a small-business owner, you may act on hunches, guesses and instincts. After such actions, you might even say you ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

This is the online version of our daily newsletter, The Morning Win. Subscribe to get irreverent and incisive sports stories, delivered to your mailbox every morning. Charles Curtis is filling in for ...

We've written a lot of about win probability charts here, from the Falcons blowing a lead to the Cowboys to the Warriors blowing a 31-point lead to the 49ers' Super Bowl collapse against the Chiefs.

A well-designed blackjack chart is the most valuable tool a player can use to make smart, strategic decisions at the table. While the game’s rules are easy to learn, knowing what actions to take—hit, ...

A team of international physicists has brought Bayes’ centuries-old probability rule into the quantum world. By applying the “principle of minimum change” — updating beliefs as little as possible ...