Hi, I have a simple probability problem that I need help with. <BR><BR>I have two groups of marbles, blue and red, 4 each, for a total of 8. I am trying to figure out what the probability is of ...

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 ...

In the NBA, when the season inches toward a close, some teams go to battle in the playoffs, while others prepare for an offseason of roster changes. Regardless of success on the court, each ownership ...

Something is thrilling about sitting at a Tongits table. The cards shuffle, the anticipation builds, and for a moment, it ...

In professional baseball’s World Series, the championship is decided in a best-of-seven format. The first team to win four games gets the pennant. Curiously, series that go on for the full seven games ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Let’s say there are two bowls of M&Ms in front of you: one with 90 ...

While innovation is core to American identity, women inventors were named on only 13% of 2019 U.S. patents. In part, that's ...

Here at PopMech, we love mind-bending math and logic puzzles, which is why we regularly recruit the sharpest minds in the world to concoct riddles that will test your critical thinking, mathematics, ...

You're sitting in the doctor's office waiting for the result of a test. The test will tell you whether you have a disease you really don't want to have. As you wait, it seems as if the whole world is ...

One approach to the waiting-time problem is through the integral equation, whose solution is the cumulative probability function-the method derived by Lindley. The equation is of the type for which a ...