AMC 8 · Journal
Counting
Guides, updates and answers about the AMC 8 — registration, the exam, preparation and results.
-
AMC 8 Probability Without Replacement: Update the Sample Space After Each Draw
A focused diagnostic lesson for AMC 8 students who know probability basics but repeatedly set up dependent-draw problems wrong. Learn to shrink the sample space after each pull, check your fractions, and decide what to study next based on which denominator error you make.