Mathematics · essential
Expectation of a discrete random variable for JEE
Baye's theorem, probability distribution of a random variable
Formula
\(E(X)=\mu=\sum_x x\,p(x)\)
Variables: \(X\): discrete random variable, \(p(x)=P(X=x)\).
Conditions: Sum over all possible values of \(X\).
Mean of probability distribution.