Discrete Random Variable Calculator

Online probability calculator to find expected value E(x), variance (σ² ) and standard deviation (σ) of discrete random variable from number of outcomes.

Online probability calculator to find expected value E(x), variance (σ² ) and standard deviation (σ) of discrete random variable from number of outcomes.

Code to add this calci to your website

Just copy and paste the below code to your webpage where you want to display this calculator.

Discrete Random Variable's expected value,variance and standard deviation are calculated easily.