확통 정맅노트 1 minute read [P(A|B) = \frac{P(A \cap B)}{P(B)} E(X) = \sum_x xf(x) E(X) = \int_{-\infty}^{\infty} xf(x) dx E[g(x)] = \sum_x g(x)f(x) E[g(x)] = \int_{-\infty}^{\infty...