Art of Problem Solving: Complementary Probability Part 2

Art of Problem Solving's Richard Rusczyk computes probabilities he wants by first finding probabilities he doesn't want. This video is part of our AoPS Counting & Probability curriculum. Take your math skills to the next level with our Counting & Probability materials: 📚 AoPS Introduction to Counting & Probability Textbook: https://aops.com/store/book/intro-counting?utm_source=youtube&utm_medium=social&utm_campaign=q1_2025_youtube_to_os 🖥️ AoPS Introduction to Counting & Probability Course: https://aops.com/school/course/intro-counting-sp?utm_source=youtube&utm_medium=social&utm_campaign=q1_2025_youtube_to_os 🔔 Subscribe to our channel for more engaging math videos and updates