Probability that three people have different birthdays: (364/365) x (363/365), etc.

For *n* people

It can be checked that the product of these fractions becomes less than 1/2 whenP= (364/365) x (363/365) x ... x ([653-n+1]/365)

Source: Berrondom, Marie

Categories: Reasoning, Probability, Favorite

[Top | Problem]