The failure rate of a convolution dominates the failure rate of any IFR component

Henry W. Block and Thomas H. Savits

Statistics & Probability Letters, 2015, vol. 107, issue C, 142-144

Abstract: The failure rate of a convolution dominates, i.e., globally outperforms, the failure rate of any IFR component. An example is given to show this is not true for a DFR component.

Keywords: Reliability; Failure rate function; Increasing failure rate; Decreasing failure rate; Convolution; Gamma densities (search for similar items in EconPapers)
Date: 2015
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DOI: 10.1016/j.spl.2015.07.034

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