From Teflpedia

Probability is a measure quantifying the likelihood that events will occur.

Probability ranges from 0% probability - impossibility, to 100% probability - certainty. These percentages may also be expressed as a decimal fraction between 0 and 1.

Most discussions of probability focus on the mathematics of probability. Here, we focus on the language of probability. Mathematical probability needs to be discussed however as it underpins most of statistics.

In English, probability is expressed using modal verbs and through various probability adverbials, including probability adverbs.