Chebyshev's Inequality

Rarely Tested

Chebyshev's Inequality

For a random variable with finite mean and variance:

$$P(|X-\mu|\geq k\sigma)\leq\frac1{k^2}$$

for k>0.

Usage

- Used to bound deviations from the mean.

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.