Probability · distributions

Normal Distribution Density Formula

Gives the probability density of a normal random variable.

f(x) = (1 / σ√(2π))e⁻(x−μ)²⁄²σ²

Variables

x: value
μ: mean
σ: positive standard deviation

Reference details

Subject: Probability
Topic: distributions
Plain text: f(x)=1/(sigma sqrt(2pi)) e^(-(x-mu)^2/(2sigma^2))