Show pagesourceDiscussionOld revisionsBacklinksBack to top Table of Contents Normal Distribution This is an old revision of the document! Normal Distribution a.k.a. Gaussian Distribution, Bell Curve, whatever. $$\mathcal{Norm}(\mathbf{X}=x; \mu, \sigma) = \frac{1}{\sigma\sqrt(2\pi)\exp(-\frac{(x-\mu)^2}{2\sigma^2})}$$