How many people need to be in a room before there's a greater probability than chance that two of them share a birthday? Numberphile approaches the famous birthday paradox without a computer.
ZME Science on MSN: The Birthday Paradox: Why a Room of Only 23 Strangers Has a 50/50 Chance of a Shared Birthday
The Birthday Paradox: Why a Room of Only 23 Strangers Has a 50/50 Chance of a Shared Birthday
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Imagine you’re at a party. There are 23 people in the room, including you. Someone proposes a bet: “I bet at least two people here share the same birthday.” You do the mental math. With 365 days in a ...
Here's a fun brain teaser: How large does a random group of people have to be for there to be a 50% chance that at least two of the people will share a birthday? The answer is 23, which surprises many ...
We all get excited when we meet someone who shares the same birthday as us. It feels like you just met a kindred spirit. It’s pretty uncommon to randomly run across someone who was born on the same ...