Math 119 Video Lecture - 5.1 Discrete Probability Distributions

Example 5.1.3 - how to calculate an expected value or mean and standard deviation from a discrete probability distribution - both using formulas AND using a calculator.

[sipr]

This is seriously the best video so far. Super clear and easy to understand. Short too. =P 🤘🏾

[ivantheteribul]

1:39 I'm trying to think of ways how she (or anyone) could hit zero red lights, without getting into trouble.