Khan Academy (English - US curriculum)
Math by grade
Eureka Math/EngageNY
Precalculus (Eureka Math/EngageNY)
Module 5: Probability and statistics
Topic B: Lessons 5-6: Discrete random variables
Topic B: Lessons 5-6: Discrete random variables
Random variables
Discrete and continuous random variables
Valid discrete probability distribution examples
Probability models
Probability with discrete random variable example