A lognormal (log-normal or Galton) distribution is a probability distribution with a normally distributed logarithm.…

A tragedy of statistics in most schools is how dull it’s made. Teachers spend hours…

What is Chebyshev’s Theorem? Chebyshev’s theorem is used to find the proportion of observations you would expect to…

Properties and Assumptions:

For discrete random variables, the PMF is also called the probability distribution. Thus, when asked to…

If you have ever taken an algebra class, you probably learned about different variables like x, y and…

What is the Bayes' Theorem? Bayes' theorem, named after 18th-century British mathematician Thomas Bayes, is a…

The probability is the likelihood of an event. The probability of an event going to…

BlockSim allows system modeling using both reliability block diagrams (RBDs) and fault trees. This chapter…