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Probability Integral |
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Probability Integral
the name of several mutually related special functions. The integral
is called the Gaussian probability integral. For a random quantity X having a normal distribution with an expected value 0 and variance σ2, the probability of the inequality ǀXǀ ≤ x is equal to Φ(x/≤. In addition to this, the name “probability integral” is used for the integrals
The latter function is usually designated erf (x) (from “error function”). REFERENCEBol’shev, L. N., and N.V. Smirnov. Tablitsy matematicheskoi statistiki. Moscow, 1965.Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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