AI engineering glossary · Probability

What is markov's inequality?

Markov's inequality: For a non-negative random variable, the probability of exceeding a value a is at most its expected value divided by a: P(X >= a) <= E[X] / a. It is a crude but widely applicable bound that needs only the mean.

Level: advancedTopic: Probability

Markov's inequality: an example

If average page load is 2 seconds, at most 2 / 10 = 20% of loads can take 10 seconds or more.

Related terms

More Probability terms

Where you learn it

Markov's inequality is part of the AI Engineering Program, which teaches it with notes, a hands-on lab and an exam. The first lesson is free.

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