Variabili aleatorie

Istat Istituto Nazionale di Statistica
Statistical Distributions Created, developed, and nurtured by Eric Weisstein at Wolfram Research
Random Probability, Mathematical Statistics, Stochastic Processes, by Kyle Siegrist Department of Mathematical Sciences University of Alabama in Huntsville
Probabilità, statistica ed analisi degli errori ISHTAR Infn Bologna
HyperStat Online Statistics Textbook
Probability Tutorials
Variabile casuale Da Wikipedia, l'enciclopedia libera.