If the manager requires to have 0.99 component reliability at 1000 hours of operation. Determine the percentage of improvement required for each failure model in order to achieve this goal, by resorting to Competing Risk Model.

Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
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Consider a component that fails in THREE failure modes. Each failure mode follows a Weibull distribution
function whose scale and shape parameters values are reported in the Table below:
Scale Parameter
Shape Parameter
Failure Mode 1
7000
1.7
Failure Mode 2
10000
Failure Mode 3
12000
If the manager requires to have 0.99 component reliability at 1000 hours of operation. Determine the
percentage of improvement required for each failure model in order to achieve this goal, by resorting to
Competing Risk Model.
Transcribed Image Text:Consider a component that fails in THREE failure modes. Each failure mode follows a Weibull distribution function whose scale and shape parameters values are reported in the Table below: Scale Parameter Shape Parameter Failure Mode 1 7000 1.7 Failure Mode 2 10000 Failure Mode 3 12000 If the manager requires to have 0.99 component reliability at 1000 hours of operation. Determine the percentage of improvement required for each failure model in order to achieve this goal, by resorting to Competing Risk Model.
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