4: Probability Last updated Jan 17, 2021 Save as PDF 3.5: Tree and Venn Diagrams 4.1: Introduction: Probability Topics Page ID16214 ( \newcommand{\kernel}{\mathrm{null}\,}\) 4.1: Introduction: Probability Topics4.1: Probability Distribution Function (PDF) for a Discrete Random Variable04.2: Mean4.2: Mean / Expected Value and Standard Deviation of Discrete Random Variable4.3: Binomial Distribution