The Counter-Intuitive Birthday Problem in Mathematics
The birthday problem in math tells us that if there are at least 23 people in a given setting, the likelihood of two of them sharing the same birthday is over 50%. This possibility is as likely as a tossed coin landing on heads. In fact, if there are 60 or more people in a given setting, there is a 99% chance that you will meet someone who shares the same birthday as you.
As humans, despite numerous things to fascinate us, we always become shocked when we meet someone who shares the same birthday as us. While this level of surprise may come across as understandable if you are one of two people in a given setting, it wouldn’t be so if you were one student among 23 in a classroom or one of 23 people in a cafe you’ve sat in to drink a hot chocolate or peach-mango tea, or one of the 23 people on the Argentinian national team for the 2022 World Cup.
That is because the birthday problem in math tells us that if there are at least 23 people in a given setting, the likelihood of two of them sharing the same birthday is over 50%. This possibility is as likely as a tossed coin landing on heads. In fact, if there are…
