Bivariate normal distribution -- wolfram mathworld, The bivariate normal distribution is the statistical distribution with probability density function p(x_1,x_2)=1/(2pisigma_1sigma_2sqrt(1-rho^2))exp[-z/(2(1-rho^2. Normal distribution - stat trek, Normal distribution: family of probability distributions defined by normal equation. how to find probability of normal random variable. problems with solutions.. The normal distribution - reliawiki, The normal distribution, also known as the gaussian distribution, is the most widely-used general purpose distribution. it is for this reason that it is included.