WONDER #1757: What Is the Birthday Paradox?
Question 1 of 3
How many people do you need in a room to have a better-than-50% chance that two of the people will share a birthday?
Question 2 of 3
Is the birthday paradox a logical paradox?
Question 3 of 3
How many people do you need in a room to have a 99.9% probability that two people will share the same birthday?
Check your answers online at https://www.wonderopolis.org/wonder/what-is-the-birthday-paradox.