Bayes' theorem, also called Bayes' rule or Bayesian theorem, is a mathematical formula used to determine the conditional probability of events. The theorem uses the power of statistics and probability ...

A man went on an airplane ride. Unfortunately, he fell out. Fortunately, he had a parachute on. Unfortunately, the parachute did not open. Fortunately, there was a haystack below him, directly in the ...

There’s been much debate about lateral flow tests – their accuracy depends on context and the theories of a 18th-century cleric Maths quiz. If you get a positive result on a Covid test that only gives ...