MathDB
Miklos Schweitzer 1968_11

Source:

October 8, 2008
probabilityprobability and stats

Problem Statement

Let A1,...,An A_1,...,A_n be arbitrary events in a probability field. Denote by Ck C_k the event that at least k k of A1,...,An A_1,...,A_n occur. Prove that k=1nP(Ck)k=1nP(Ak). \prod_{k=1}^n P(C_k) \leq \prod_{k=1}^n P(A_k). A. Renyi