What Is the System Availability for Something That Has a Mean

question 12

Multiple Choice

What is the system availability for something that has a mean time between failures of 100 hours and needs an average of 4 hours to repair when it does fail?

• A) 0.98
• B) 0.92
• C) 0.96
• D) 0.90
• E) 0.84

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Definitions:

Random Factors

Variables or elements in an analysis or experiment that are subject to randomness and unpredictability.

Stock Return

The change in value of a stock investment over a period of time, including dividends, expressed as a percentage of the investment's initial cost.

Market Return

The total gain or loss experienced by an investment or a collection of investments in the market over a specified period, typically including both capital gains and dividends.

Regression Line

A line that best represents the connection between data points on a scatter plot.