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Published online by Cambridge University Press: 01 July 2016
Let X 1, X 2, …, Xn , … be mutually independent with common CDF F and, for each m, n, let Xm:n be the mth largest among the first n. We consider max1≤n<∞ (X 1:n – cn) and the ‘optimal stopping rule' N which maximizes
where
all l and
In particular, we consider
and
All of these are considered for c ϵ (0,∞) as well as asymptotically as c → 0+.
Research supported by the United States Department of Energy Contract DE-AC01-81RG10494.