Problem #37 MEDIUM
The Duplicate Birthday
Meta Apple Probability Statistics
Problem Statement
A teacher walks into a classroom of 23 students. She bets the class that at least two students share the same birthday. The students laugh — with 365 days in a year and only 23 students, the odds seem ridiculously low. The teacher says she will take that bet every single time she teaches this course. Who has the better side of this bet, and why is the answer so counterintuitive?
Answer & Quick Explanation
Logged-in Users Only
You must be logged in to view the answer and check your solution. Signing up is free and takes less than a minute.
Detailed Editorial Solution
Detailed Editorial Solution is Premium
Unlock detailed step-by-step mathematical proofs, logic explanations, and company-specific interview preparation pathways.