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Subjective probability and the dfr-mixture closure theorem |
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| Authors: | Littlewood Bev |
| Institution: | Centre for Software Reliability City University , Northampton Square ECIV OHB, London |
| Abstract: | It is well known that mixtures of DFR distributions are themselves DFR. The IFR class, on the other hand, is not closed under mixture, We present a simple new proof which gives insight into the result from a subjective stand-point. |
| Keywords: | decreasing failure rate DFR closure theorem subjective probability |