Investopedia

Bayes' Theorem: What It Is, Formula, and Examples

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...
Scientific American

What is Bayes's theorem, and how can it be used to assign probabilities to questions such as the existence of God? What scientific value does it have?

Chris Wiggins, an associate professor of applied mathematics at Columbia University, offers this explanation. A patient goes to see a doctor. The doctor performs a test with 99 percent ...
STAT

Covid-19 test accuracy supplement: The math of Bayes’ Theorem

First, we need to estimate the pre-test probability that asymptomatic Massachusetts residents have Covid-19. We know that in the state approximately 2% of all tests for SARS-CoV-2, the virus that ...
New Scientist

Zeros to heroes: Bayes's probability puzzle

What links modern cosmology to 18th-century musings on billiards? The answer lies in a theorem devised by amateur mathematician Thomas Bayes AN ENGLISH cleric pondering balls on a billiard table is ...

Bayes’ Rule Goes Quantum: A 250-Year-Old Theory Learns New Tricks

An international team of researchers has identified a quantum counterpart to Bayes’ rule. The likelihood you assign to an event is influenced by what you already believe about the surrounding ...