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On weak convergence within the hnbue family of life distributions

Published online by Cambridge University Press:  14 July 2016

Sujit K. Basu
Affiliation:
Indian Institute of Management, Calcutta
Manish C. Bhattacharjee*
Affiliation:
Indian Institute of Management, Calcutta
*
Postal address for both authors: Indian Institute of Management Calcutta, Joka, P. O. Box No. 16757, Alipore Post Office, Calcutta 700 027, India.

Abstract

We show that the HNBUE family of life distributions is closed under weak convergence and that weak convergence within this family is equivalent to convergence of each moment sequence of positive order to the corresponding moment of the limiting distribution. A necessary and sufficient condition for weak convergence to the exponential distribution is given, based on a new characterization of exponentials within the HNBUE family of life distributions.

Type
Short Communications
Copyright
Copyright © Applied Probability Trust 1984 

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Footnotes

Research supported by the Centre for Management and Development Studies at the Indian Institute of Management Calcutta under grant 491/CMDS-APRP-II.

References

Barlow, R. E. and Proschan, F. (1981) Statistical Theory of Reliability and Life Testing. To Begin With, Silver Spring, MD.Google Scholar
Basu, S. K. and Simons, G. (1983) Moment spaces of IFR distributions, applications and related materials. In Contributions to Statistics: Essays in Honour of Norman L. Johnson, ed. Sen, P. K. North-Holland, Amsterdam.Google Scholar
Bryson, M. C. and Siddiqui, M. M. (1969) Some criteria for aging. J. Amer. Statist. Assoc. 64, 14721483.CrossRefGoogle Scholar
Chung, K. L. (1968) A Course on Probability Theory. Harcourt, Brace and World, New York.Google Scholar
Harkness, W. L. and Shantaram, R. (1969) Convergence of a sequence of transformations of a distribution function. Pacific J. Math. 31, 403415.CrossRefGoogle Scholar
Klefsjö, B. (1980) Some properties of the HNBUE and HNWUE classes of life distributions. Statistical Research Report 1980–8, University of Umeå.Google Scholar
Klefsjö, B. (1982) The HNBUE and HNWUE classes of life distributions. Naval Res. Logist. Quart. 29, 331344.Google Scholar
Loeve, M. (1963) Probability Theory, 3rd edn. Van Nostrand, New York.Google Scholar
Obretenov, A. (1977) Convergence of IFR distribution to the exponential one. C. R. Acad. Bulgar. Sci. 30 (10), 13851387.Google Scholar
Rolski, T. (1975) Mean residual life. Proc. 40th Session Internat. Statist. Inst. 4, 266270.Google Scholar