Tan, Xiaodong; Xu, Yuan - In: Statistics & Probability Letters 8 (1989) 1, pp. 17-20
Let A1, A2,..., An be events of a given probability space, and [nu]n be the number of events among them which occur. Some estimates are given of P([nu]n [greater-or-equal, slanted] j) by means of the binomial moments.