Encyclopedia

trinomial distribution

trinomial distribution

[trī′nō·mē·əl ‚di·strə·byü·shən]
(statistics)
A multinomial distribution in which there are three distinct outcomes.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive
(iii) for the trinomial distribution, Cochran [4] rules require all expected frequencies to be at least five.
They then calculated from the trinomial distribution the magnitude of k required to have a 0.95 probability of correctly inferring the species tree for various values of T.
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