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System Reliability
• In this lesson, we discuss an application of probability to predict an overall system’s…
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Advanced first-order second moment method (AFOSM)
Hasofer-Lind Reliability Index Hasofer and Lind proposed a modified reliability index that did not exhibit…
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First-order second moment method (FOSM)
This method is also referred to as mean value first-order second moment (MVFOSM) method, and…
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RELIABILITY INDEX
Reduced Variables It is convenient to convert all random variables to their “standard form;’ which…
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Levels of reliability methods
There are different levels of reliability analysis, which can be used in any design methodology…
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Reliability Analysis
Reliability analysis refers to the fact that a scale should consistently reflect the construct it is…
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What is a Lognormal Distribution?
A lognormal (log-normal or Galton) distribution is a probability distribution with a normally distributed logarithm.…
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The Poisson Distribution and Poisson Process Explained
A tragedy of statistics in most schools is how dull it’s made. Teachers spend hours…
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Chebyshev’s Theorem
What is Chebyshev’s Theorem? Chebyshev’s theorem is used to find the proportion of observations you would expect to…