Stefan Warner and Steven R. Costenoble
Finite Mathematics & Applied Calculus: Normal Distribution Table
The resource consists of a normal distribution table.
Wolfram Research
Wolfram Math World: Correlation Coefficient
MathWorld offers a technical, yet informative, explanation of the correlation coefficient for bivariate normal distribution.
University of Glasgow
Steps Statistics Glossary: Random Variables and Probability Distributions
This section of the Statistics Glossary offers definitions of terms having to do with random variables and probability distributions such as expected value and normal distribution.