Probability is a measure of the likelihood of events happening. The greater the proportion of times an event can happen the greater (or more likely) the probability. Events can be ordered by the ...

Ever have plans and you check the weather forecast and the meteorologist says that there is a 20 percent chance of rain? What does that mean? Will it rain on your parade (literally)? First, let’s talk ...

Mathematicians rely on numbers, but finding words to explain different levels of certainty has stymied everyone from the ...

Clay Halton was a Business Editor at Investopedia and has been working in the finance publishing field for more than five years. He also writes and edits personal finance content, with a focus on ...