Forum: Reliability & Maintainability Questions and Answers

Topic: Reliability & Maintainability Questions and Answers

Topic Posted by: Reliability & Maintainability Forum (src_forum@alionscience.com )
Organization: System Reliability Center
Date Posted: Mon Aug 31 12:47:36 US/Eastern 1998
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Original Message:

Posted by: June
Date posted: Thu Jan 30 22:06:17 US/Eastern 2003
Subject: Early Failure Rate
Message:
For early failure rate. why is number of failures (fpm) corrected using 60% confidence level (using poisson statistics)? a) Why not 90% confidence level, etc b) Why poisson (since for reliability data, it is mostly derived from Weibull, exponential distribution) http://www.philipslogic.com/quality/efr/

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