Selective Mathematics has become iteratively harder every year. It's easy to see from judging papers in 2021 to 2023, the degree in which math questions require critical thinking has been on the rise. Probability, one of the most useful day to day math principles, is funnily enough one of the most confusing topics that you WILL BE TESTED ON.In the video below, Teacher Rob breaks down why Selective probability is difficult and provides a brief masterclass on hard probability questions. https://www.youtube.com/watch?v=KOFACBkt48w