For instance, how many people do you think it would take to survey, on average, to find two people who share the same birthday? Due to probability ... or use the birthdays of other random people ...

We weave narratives around completely random events. We assess probabilities using the ... to estimate the probability that at least two people in the room share the same birthday.

The Weekend Edition Saturday Math Guy ... What is the probability that in a room filled with 23 people at least two of them have the same birthday? (It's more than half!) The birthday problem ...