Statistics, Statistical Analysis, Random Variable, Discrete Random Variable, Mathematics.
explaining expected values of various distributions in the next article. Properties of Expected Values 1. Constant and Positive Random Variable If X is constant c as random variable X such that P(X=c) =1 then E[c]= c Suppose X takes only non-negative values such that P(X ≥0)= 1 then E[X] ≥0 is