midProbability
What is a Bernoulli distribution?
Updated May 17, 2026
Short answer
Bernoulli distribution models a single binary trial with success probability p.
Deep explanation
It has two outcomes: 1 (success) with probability p and 0 (failure) with probability 1-p. It is the simplest discrete distribution and forms the basis of binomial distribution.
Real-world example
Click or no-click in online ads.
Common mistakes
- Confusing Bernoulli with binomial distribution.
Follow-up questions
- What is Bernoulli trial?
- How is binomial related?