Noun
the branch of applied mathematics that deals with probabilities
Source: WordNetThis faulty intuition as well as many modern applications of probability theory are under the strong influence of traditional misconceptions concerning the meaning of the law of large numbers and of a popular mystique concerning a so-called law of averages. William Feller
The theory of independent experiments is the analytically simplest and most advanced part of probability theory. William Feller
Infinite product spaces are the natural habitat of probability theory. William Feller
Independence is the central concept of probability theory and few would believe today that understanding what it meant was ever a problem. Mark Kac
Probability theory is nothing but common sense reduced to calculation. Pierre-Simon Laplace
Maybe we should teach schoolchildren probability theory and investment risk management. Andrew Lo