NEGBINOM.DIST(number_f, number_s, probability_s, cumulative)

Returns the probability of getting less than or equal to a particular value in a negative binomial distribution.

number_fThe number of failures.
number_sThe threshold number of successes.
probability_sThe probability of a success.
cumulativeThe type of function to use
True = cumulative probability function
False = probability mass function


* Added in Excel 2010.
* This function replaces the NEGBINOMDIST function.
* The negative binomial distribution is a discrete distribution.
* For the Microsoft documentation refer to


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