Mathematics · essential
Probability mass function conditions for JEE
Baye's theorem, probability distribution of a random variable
Formula
\(p(x)=P(X=x),\quad p(x)\ge 0,\quad \sum_x p(x)=1\)
Variables: \(X\): discrete random variable, \(p(x)\): probability mass function.
Conditions: Sum over all possible values of \(X\).
Checking/constructing probability distributions.