I recently came upon the problem: "There are 23 people in a room. What is the probability that two or more of these people have the same birthday?" I thought the probability would be very low, probably less than 5%. The answer, however, was a lot higher. Intrigued by this, I decided to make a program that calculates the percentage experimentally. Basically, what this program does is it repeats the same scenario over and over again, and calculates the probability by dividing cases in which two or more people did have the same birthday over the total number of times it was run.
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