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GAME THEORY
Game Theory is used for decision making under conflicting situation where there are one or more opponents(players). A player may be an individual, a group of individuals or an organisation. The models for which chess, poker, etc are the games which have the characteristics of a competition and are played according to definite rules(strategy). It… Read more

Demography
The word demography is a combination of two Greek words “demos” and “graphos” meaning “human beings” and “writing/measurement” respectively. A Belgian Statistician “ACHILLE GUILLARD” was the first man to pronounce and designate the term “Demography” in the article “éléments de statistique humaine ou demographique comparee” (elements of human statistics or comparative demography). Definition: Duncan and… Read more

2DRandom Variables
Let X and Y be two random variables defined on the same sample space S. Then the function (X,Y) that assigns a point in is called a two dimensional random variable. Examples: Joint CDF of (X,Y): The joint cdf of (X,Y) is defined as: Properties of CDF: Proof of Property 1: PROOF OF PROPERTY 2:… Read more
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