Which of the following tools are classified as structured root cause analysis tools?
I. 5P.
II. 7D, 8D or 9D problem solving.
III. Management oversight and risk tree analysis (MORT).
IV. Human performance evaluation system (HPE)
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When a defense is prepared for a product liability action, all of the following would be considered elements of the assumption of risk the plaintiff must have EXCEPT:
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The maintainability for a system is based on the
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Six independent samples are taken of smokestack gas. The mean value of a critical pollutant was 30.2 ppm for the six samples, with a standard deviation s = 5 ppm.
Assuming that the samples were taken at random times, what is the 90% confidence interval for the proportion of the critical pollutant in the smokestack gas?
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Develop the fault tree analysis for a candy dispensing machine. There are two contributing subsystems, both of them must fail for the system to fail. The electronic release has Pf = 0.04 and the coil spring release has Pf = 0.06. What is the system's probability of failure?

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