Bull. Korean Math. Soc. 1999; 36(2): 305-314
Printed June 1, 1999
Copyright © The Korean Mathematical Society.
Soo Hak Sung
Pai Chai University
The Hsu-Robbins-Erd\H os theorem states that if $\{X_n,$ $n\ge 1\}$ is a sequence of independent and identically distributed random variables, then $EX_1^20.$ Under some auxiliary conditions, Sp\u ataru (1994) extended this to the case where the $X_n$ are independent, but their distributions come from a finite set. Pruss (1996) proved Sp\u ataru's result under weaker conditions. The purpose of this paper is to improve Pruss conditions.
Keywords: complete convergence, strong law, sums of independent random variables
MSC numbers: 60F15
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