Webthe birthday paradox is a compelling example of how probability theory can challenge common intuitions. What seems like a rare event can become surprisingly. Webthe birthday paradox is a mathematical problem put forward by von mises. What is the minimum number $ n $ of people in a group so that there is a 50%. Webthe birthday problem (also called the birthday paradox) deals with the probability that in a set of n n randomly selected people, at least two people share the same birthday. Webthe birthday paradox is a surprising statistical phenomenon that shows how even in a small group, it’s very likely that two people share the same birthday. Webit turns out that there is at least a 50% chance that in any random sample of. 23 people, two of them will have the same birthday. By \birthday, i mean you don't include the year;.