For a System Composed of 50 Interdependent Components Which Each

question 44

Multiple Choice

For a system composed of 50 interdependent components which each have individual reliability of .99, the overall system reliability is:

• A) Below .70
• B) Below .40
• C) Below .65
• D) Below .80

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Definitions:

Hypothesis Testing

A method of statistical inference used to decide whether a hypothesis about a parameter in a population is likely to be true.

Interval Estimation

A scope of values, from collected sample data, that is likely to embody the value of an unexplored population parameter.

Confidence Interval

A range of values, derived from the sample statistics, within which there is a specified level of confidence where the true parameter lies.

Standard Error

The standard deviation of the sampling distribution of a statistic, typically mean, estimating the variability.