The Weekend Edition Saturday Math Guy, Stanford professor Keith Devlin, returns to pose a problem to Scott Simon: What is the probability that in a room filled with 23 people at least two of them ...

A mysterious math problem from Science BuddiesBut when all 23 birthdays are compared against each other, it makes for much more than 22 comparisons. How much more? Well, the first person has 22 ...

A new probability model to determine exact P-values for 2 x 2 contingency tables and its computerized solution are described. This model can be used in place of Fisher's "exact test" when analyzing ...