Difference between revisions of "Documentation/How Tos/Calc: NEGBINOMDIST function"

Revision as of 08:20, 17 July 2018

NEGBINOMDIST

Calculates probabilities for a negative binomial distribution.

Syntax:

NEGBINOMDIST(x; r; p)

For independent trials each with a probability p of success, NEGBINOMDIST returns the probability that there will be exactly x failures before there have been r successes. The formula used is:

Example:

NEGBINOMDIST(1; 1; 0.5)

returns 0.25 (25%), the probability that heads will come up exactly once before tails has come up when tossing a coin.

• BINOMDIST

• Statistical functions

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