Events and Probability Spaces · Birthday Paradox

Lesson 1

Nikolai Chukhin · Alexander S. Kulikov

Problem. Let us choose \(n\) random people, assuming that each of them has a birthday on a random one of 365 days. Test your intuition: what is the minimum \(n\) such that the probability of at least two people having the same birthday is no less than \(\frac{1}{2}\)?