Webthe fascinating phenomenon known as the birthday effect, or the birthday blues, has long fascinated mathematicians, statisticians and the general public. Webthe birthday effect is a real statistical phenomenon in which you are at increased risk of dying on, or near, your birthday. In a swiss study of mortality data,. Weblearn how to solve the birthday problem using probability theory and large number approximations. Find the number of people needed to have a greater than 50% chance. The birthday paradox, also known as the birthday problem,. Webcalculate the probability of shared birthdays in a group of any size using a mathematical formula. Learn about the birthday paradox, a statistical phenomenon. 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. 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.