First-order second moment method (FOSM)
This method is also referred to as mean value first-order second moment…
Levels of reliability methods
There are different levels of reliability analysis, which can be used in…
Reliability Analysis
Reliability analysis refers to the fact that a scale should consistently reflect the…
What is a Lognormal Distribution?
A lognormal (log-normal or Galton) distribution is a probability distribution with a…
The Poisson Distribution and Poisson Process Explained
A tragedy of statistics in most schools is how dull it’s made.…
Chebyshev’s Theorem
What is Chebyshev’s Theorem? Chebyshev’s theorem is used to find the proportion of observations you…
Probability Mass Function
For discrete random variables, the PMF is also called the probability distribution. Thus,…
