This video explains how the variance of a random variable is calculated. You also learn what happens with the variance when adjusting a random variable or when combining different random variables.
This video explains how to calculate the mean of a probability distribution. You also learn what happens with the mean when adjusting a random variable or when combining different random variables.
This video explains how a probability distribution describes the possible outcomes of a random variable with their probabilities. Important concepts discussed in this video are: discrete and…