Complementary probability — AMC & AIME Problems
Practice every real AMC 8, AMC 10, AMC 12, and AIME problem that uses complementary probability — a probability and statistics concept — each with a professionally curated solution, many with a video solution too, from LIVE by Po-Shen Loh. Browse all concepts or the full past-contest archive.
All of these problems are used with official legal permission of the Mathematical Association of America (MAA).
AMC 8
1991 AMC 8 Problem 22 · 1999 AMC 8 Problem 10 · 2001 AMC 8 Problem 18 · 2002 AMC 8 Problem 12 · 2004 AMC 8 Problem 21 · 2015 AMC 8 Problem 7
AMC 10
2015 AMC 10B Problem 18 · 2019 AMC 10B Problem 17 · 2021 AMC 10B Fall Problem 14 · 2021 AMC 10B Fall Problem 23 · 2022 AMC 10B Problem 12
More probability and statistics concepts
basic probabilityBayes’ Theorembinomial probabilityconditional probabilitydata and graph interpretationdice (probability)expected valuegeometric distributiongeometric probabilityharmonic meanindependent eventsmeanmedian (data)moderandom walkrangerecursive probabilitysampling without replacementweighted mean