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Last Updated: June 15, 2026
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How many people need to be in a room before there's a 50% chance that two of them share the same The surprisingly small answer to this question is what's often dubbed "The Quant Interview Question Explained By MIT Math Student This problem is inspired by Asynchronous lecture for Math 432: Applied Combinatorics Complementary to live lecture on April 19, 2021. ... Hook finds the probability of two people in a group sharing the same birthday in this lecture examining the Visit to get started learning STEM for free. The first 200 people will get 20% off their annual premium ...
Before we start this video, let's ask you a question. If there are 23 randomly chosen people in a room, what is the probability that ... How many people do you need in a group together before you've got a 50% chance of two people sharing the same In a room of just 23 people there's a 50-50 chance of two people having the same
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The Birthday Paradox
Check your intuition: The birthday problem - David Knuffke
Simple Explanation of the Birthday Paradox
The Birthday Problem
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