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. Stat trek – normal distribution - statistics probability, Normal distribution: family of probability distributions defined by normal equation. how to find probability of normal random variable. problems with solutions.. Distribution tables - statistics textbook - quest - support, Distribution tables compare distribution tables. compared to probability calculators (e.g., the one included in statistica), the traditional format of distribution.