NC State University
Nc State University: 4.2 (Cont.) Expected Value of a Discrete Random Variable
A PowerPoint explaining and showing examples of how to measure the mean of the values of a random variable.
Khan Academy
Khan Academy: Mean (Expected Value) of a Discrete Random Variable Practice
A practice word problem asking students to calculate the mean of B in a probability chart.
University of Glasgow
Steps Statistics Glossary: Discrete Random Variable
An overview of the term "discrete random variable." The site continues with the definition "continuous random variable" so that the user may compare the two.
University of Glasgow
University of Glasgow: Continuous Random Variable
An overview of the term "continuous random variable." The definition follows immediately after "discrete random variable" so that the user may compare the two.
Interactive Mathematics
Interactive Mathematics: Probability Distribution
The concept of random variables is the focus of this lesson, including definitions of discrete and continuous random variables. Discussions on discrete probability distribution and density function are included, along with expected value...