The failure rate model above is used to show a typical relationship of many parts between their failure rate and the time in service. The reliability function for period "B" is BEST represented by

• A.Option D
• B.Option B
• C.Option A
• D.Option C

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A system was designed with 3 capacitors. When the system is first activated all capacitors are operating. The system continues to operate as long as at least 1 capacitor is operating. This is an example of

• A.A standby parallel system.
• B.A series system.
• C.An active parallel system.
• D.Redundancy.

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When using a control chart, a point plotting within the limits on the chart is

• A.The equivalent of type I error.
• B.The equivalent of not rejecting the hypothesis that the process is in control.
• C.The equivalent of accepting the hypothesis that the process is in control.
• D.The equivalent of type II error.

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Which of the following is NOT a statistical level of measurement?

• A.Ordinal.
• B.Nominal.
• C.Numerical.
• D.Ratio.

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An experiment with two factors, in which all levels of one variable are run at each level of the second variable, is called a

• A.Factorial experiment.
• B.Latin square experiment.
• C.One-way experiment.
• D.Fractional factorial experiment.

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