Discrete Random Variables Courses
Stanford University via Stanford OpenEdx Probability: Basic Concepts & Discrete Random Variables
Purdue University via edX 頑想學概率：機率二 (Probability (2))
National Taiwan University via Coursera Introduction to Probability: Part 1 - The Fundamentals
Massachusetts Institute of Technology via edX MathTrackX: Probability
University of Adelaide via edX Теория вероятностей - наука о случайности
Tomsk State University via Coursera Probability and Statistics II: Random Variables – Great Expectations to Bell Curves
Georgia Institute of Technology via edX Fundamentos de probabilidad y aplicaciones
Universidad de los Andes via Coursera Probability in R. Discrete Random Variables
Udemy Probabilistic Systems Analysis and Applied Probability
Massachusetts Institute of Technology via MIT OpenCourseWare