Discrete Counting Distributions: Binomial, Negative Binomial, Hypergeometric

Free SOA Exam P (Probability) lesson in Univariate Random Variables. 12 min read, ~1,752 words.

Binomial( ): successes in independent trials at constant.,. Hypergeometric: successes when drawing WITHOUT replacement from items containing successes.; the variance carries a finite-population correction. Negative binomial( ): failures before the -th success.,. Geometric is. Key-word test: with replacement (or huge population) is binomial; without replacement from a finite population is...

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