제한된 독립 랜덤 변수의 합이 기대값에서 어떤 양만큼 벗어날 확률에 대한 상한을 제공 Hoeffding's inequalityIn probability theory, Hoeffding's inequality provides an upper bound on the probability that the sum of bounded independent random variables deviates from its expected value by more than a certain amount. Hoeffding's inequality was proven by Wassily Hoeffding in 1963.[1]https://en.wikipedia.org/wiki/Hoeffding's_inequality