For those not familiar with the birthday problem, it is simply the question that:

“What is the chance of sharing your birthday with another person in a room of say 23 people?“

The answer for that specific number of people is around 50% chance. In the first instance, you might think that is pretty high, given there are 365 days in a year and only 23 people in the room. But actually the chance increase pretty quick (exponentially) and for a room of 40 people, there is almost 90% chance that two persons share their birthday!! Continue reading “Birthday Post” →