Khan Academy: Probability With Discrete Random Variable Example

Basic idea and definitions of random variables. [5:32]

Video explains random variables, gives examples of what they are used for and explains the difference from traditional variables. Explains the difference between discrete and continuous random variables. Gives examples of using a random...

[Free Registration/Login may be required to access all resource tools.] Introduces discrete random variables.

Probability of compound events. The Addition Rule.

Probability density functions for continuous random variables.

A video [4:31] explaining how to find the mean or expected value of a discrete random variable.

Example of transforming a discrete random variable.

Finding the variance and standard deviation of a discrete random variable.

Finding the mean (or expected value) of a discrete random variable.

[Free Registration/Login may be required to access all resource tools.] Introduces discrete random variables and how they are used to determine probability. Students will learn the definition of discrete random variables and how to make...