When arriving home I just had to know more about this phenomenon. Guess what? The person was right. The statement was a proven fact and the figures I found were remarkable.
In a group of about 25 people, there is a more than 50% chance that two of them were born on the same day. In a room of 75 people there is a 99.9% chance of two people matching their birthdays. This result is contrary to our intuition so we call it a paradox. But there is a mathematical explanation for this paradox. You can find more on the following wiki page.
Reading about the paradox makes you want to find out more about this stuff. Get to know the following ones and check out what they are all about.
- Barbershop paradox
- Raven paradox aka Hempel's Ravens
- Unexpected hanging paradox
- Crocodile dilemma
- Catch-22 (logic)
- Lottery paradox
- Paradox of entailment
- Drinker paradox
