Khan Academy: Probability and Statistics: Random Variables

Beat the weatherman at his own game with this probability video! Sal shows students how to use probability density functions to predict random occurrences (such as rain). Probability problems - and inclement weather - are no match for...

Example analyzing discrete probability distribution.

Probability density functions for continuous random variables.

A video abour probability density functions for continuous random variables.

Video defining the addition rule for probability, including finding the probability of mutually exclusive events. [10:43]

Finding the probability for a single outcome of a geometric random variable.

Video lesson solving for the probability of winning the mega millions jackpot. [5:29]

Examples finding probabilities from probability distributions for continuous random variables.

Probability of compound events. The Addition Rule.

The second video on Benford's Law from the Khan Academy. This video connects Benford's Law to the logarithmic scale in an effort to explain why it holds true, particularly in data that grows exponentially. [6:27]