Take two events A and B. For example, let A be the event “Receive a score of 95% on the econometrics exam” and let B be the event “Study econometrics 12 hours a day”. We might be interested in the ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Thomas J Catalano is a CFP and Registered ...

Probability is the measure of the likelihood that an event will occur. In simple terms, it tells us how likely it is for a particular outcome to take place. When there are multiple events, calculating ...