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Distributions with monotone failure rate. (English) Zbl 0681.62089
Theory of reliability, Proc. Int. Sch. Phys. “E. Fermi”, Course 94, Varenna/Italy 1984, 12-22 (1986).
[For the entire collection see Zbl 0659.00014.]
The authors define classes of life distributions with increasing failure rate (IFR) and increasing failure rate average (IFRA) and review certain results dealing with the preservation of these classes under reliability operations.

62N05 Reliability and life testing
62E10 Characterization and structure theory of statistical distributions