Law of Total Expectation

Rarely Tested

Law of Total Expectation

$$E[X]=E[E[X\mid Y]]$$

Usage

- Used to calculate an expectation by conditioning on another random variable.

No related questions available for this formula yet.

Go back to topics

Join CAT 2026 course by 5-Time CAT 100%iler

Start your IIM journey with the right preparation and crack CAT 2026.