# Expectation

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**Christianity**— /kris chee an i tee/, n., pl. Christianities. 1. the Christian religion, including the Catholic, Protestant, and Eastern Orthodox churches. 2. Christian beliefs or practices; Christian quality or character: Christianity mixed with pagan elements; …122

**Expected value**— This article is about the term used in probability theory and statistics. For other uses, see Expected value (disambiguation). In probability theory, the expected value (or expectation, or mathematical expectation, or mean, or the first moment)… …123

**Conditioning (probability)**— Beliefs depend on the available information. This idea is formalized in probability theory by conditioning. Conditional probabilities, conditional expectations and conditional distributions are treated on three levels: discrete probabilities,… …124

**Ontario v. Quon**— Supreme Court of the United States Argued April 19, 2010 Decided June 17, 2010 …125

**Mancusi v. DeForte**— Supreme Court of the United States Argued April 25, 1968 Decided June 17, 1968 …126

**Method of conditional probabilities**— In mathematics and computer science, the probabilistic method is used to prove the existence of mathematical objects with desired combinatorial properties. The proofs are probabilistic they work by showing that a random object, chosen from some… …127

**O'Connor v. Ortega**— Supreme Court of the United States Argued October 16, 1986 Decided March 31, 1987 …128

**probability theory**— Math., Statistics. the theory of analyzing and making statements concerning the probability of the occurrence of uncertain events. Cf. probability (def. 4). [1830 40] * * * Branch of mathematics that deals with analysis of random events.… …