Probability Distribution
Edit this notationSymbol
P(X)
Definition
A probability distribution is a mathematical function that provides the probabilities of occurrence of different possible outcomes for an experiment.
Usage
Used in statistics, data science, and many fields that deal with uncertain outcomes.
Examples
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Normal Distribution PDF
f(x) = \frac{1}{\sigma\sqrt{2\pi}} e^{-\frac{1}{2}(\frac{x-\mu}{\sigma})^2} -
Binomial Distribution PMF
P(X = k) = \binom{n}{k} p^k (1-p)^{n-k}