Traditional Culture Encyclopedia - Traditional stories - Mathematical probability problem in senior high school

Mathematical probability problem in senior high school

The antonym of "at least two students have birthdays on the same day" is "no students have birthdays on the same day", so the probability of "no students have birthdays on the same day" is 60/365, that is 12/73, so the probability of "at least two students have birthdays on the same day" is1-1.