expected value


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ex·pect·ed value

(ĭk-spĕk′tĭd)
n.
1. A quantity expressing a typical or average value of a random variable.
2. The sum (for discrete variables) or integral (for continuous variables) of the product of a random variable with its probability density function, over its range of values.

expected value

n
(Statistics) statistics the sum or integral of all possible values of a random variable, or any given function of it, multiplied by the respective probabilities of the values of the variable. Symbol: E(X). E(X) is the mean of the distribution; E(X–c) = E(X)–c where c is a constant. Also called: mathematical expectation
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.expected value - the sum of the values of a random variable divided by the number of valuesexpected value - the sum of the values of a random variable divided by the number of values
statistics - a branch of applied mathematics concerned with the collection and interpretation of quantitative data and the use of probability theory to estimate population parameters
mean, mean value - an average of n numbers computed by adding some function of the numbers and dividing by some function of n
References in periodicals archive ?
Proof For a given entrant i, the expected value of the UP lottery is:
3) the expected value for the part 3 of a public contract 558 554 CZK without VAT; (Ie.
The cutoff hand for positive expected value is 10-4 suited (10-handed), A-6 unsuited (8) and 7-5 suited (6).
where is the expected value of a claim as a function of its scope
We did make a simple mathematical error in calculating the percentages in Figure 1, and the expected values were calculated incorrectly for Tables 1-3.
EV (Tax saving) = expected value of the tax saving from the Type 3 strategy
Statements about the expected value of the program to Harris are forward-looking and involve risks and uncertainties.
Among the Company's recent product initiatives is a measure to expand its presence in cardiovascular diagnostic and therapeutic devices, one of the fastest-growing segments of the biomedical industry, with an expected value of nearly $28 billion before the end of this decade.
The Company recently launched an initiative to expand its presence in cardiovascular diagnostic and therapeutic devices, one of the fastest-growing segments of the biomedical industry, with an expected value of nearly $28 billion before the end of this decade.
This release may contain forward-looking statements that involve risks and uncertainties, including, but not limited to: our ability to begin offering the CYP450 assay to our clients before the end of October; the expected value of the CYP450 assay to benefit patient care and assist physicians in diagnosis and treatment of patients; and the performance characteristics of the CYP450 assay.
Partnering with such highly skilled and reputable firms has facilitated Thor Technologies' entry into new markets, while satisfying demand by leading international organizations for enterprise identity management solutions that actually deliver on expected value.