# Discrete random variable

Discrete random variable
A random variable that can take only a certain specified set of discrete possible values - for example, the positive integers 1, 2, 3, . . . The New York Times Financial Glossary

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• discrete random variable — A random variable that can take only a certain specified set of individual possible values for example, the positive integers 1, 2, 3, . . . For example, stock prices are discrete random variables, because they can only take on certain values,… …   Financial and business terms

• Random variable — A random variable is a rigorously defined mathematical entity used mainly to describe chance and probability in a mathematical way. The structure of random variables was developed and formalized to simplify the analysis of games of chance,… …   Wikipedia

• Random Variable — A variable whose value is unknown or a function that assigns values to each of an experiment s outcomes. Random variables are often designated by letters and can be classified as discrete, which are variables that have specific values, or… …   Investment dictionary

• random variable — Statistics. a quantity that takes any of a set of values with specified probabilities. Also called variate. [1935 40] * * * In statistics, a function that can take on either a finite number of values, each with an associated probability, or an… …   Universalium

• Continuous random variable — A random value that can take any fractional value within specified ranges, as contrasted with a discrete variable. The New York Times Financial Glossary …   Financial and business terms

• continuous random variable — A random value that can take any fractional value within specified ranges, as contrasted with a discrete variable. Bloomberg Financial Dictionary …   Financial and business terms

• Discrete probability distribution — In probability theory, a probability distribution is called discrete if it is characterized by a probability mass function. Thus, the distribution of a random variable X is discrete, and X is then called a discrete random variable, if:sum u… …   Wikipedia

• Random element — The term random element was introduced by Maurice Frechet in 1948 to refer to a random variable that takes values in spaces more general than had previously been widely considered. Frechet commented that the development of probability theory and… …   Wikipedia

• discrete — adjective Etymology: Middle English, from Latin discretus Date: 14th century 1. constituting a separate entity ; individually distinct < several discrete sections > 2. a. consisting of distinct or unconnected elements …   New Collegiate Dictionary

• Discrete — in science is the opposite of continuous: something that is separate; distinct; individual. This article is about the possible uses of the word discrete . For a definition of the word discreet , see the Wiktionary entry discreet. Discrete may… …   Wikipedia