In a recent paper – Birth, Death, Coincidences and Occupancies: Solutions and Applications of Generalized Birthday and Occupancy Problems – Miami University professor of Electrical and Computer ...

The Weekend Edition Saturday Math Guy, Stanford professor Keith Devlin, has a problem. In fact, he has more than one... which he's happy to share with Scott Simon. What is the probability that in a ...

Imagine you’re at a party. There are 23 people in the room, including you. Someone proposes a bet: “I bet at least two people here share the same birthday.” You do the mental math. With 365 days in a ...

A surprising number of footballers at the recent women's World Cup shared the same birthday as someone else in their team (Credit: Getty Images) If you are in a room with 22 other people, it’s more ...

Can you figure out when Cheryl’s birthday is? A puzzling logic problem for middle school “mathletes” in Singapore has gone viral online. After a television host in Singapore posted the question to his ...