# The Excel function: NEGBINOM.DIST

## Syntax

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

The NEGBINOM.DIST function syntax has the following arguments (argument: A value that provides information to an action, an event, a method, a property, a function, or a procedure.):

**Number_f**Required. The number of failures.**Number_s**Required. The threshold number of successes.**Probability_s**Required. The probability of a success.**Cumulative**Required. A logical value that determines the form of the function. If cumulative is TRUE, NEGBINOM.DIST returns the cumulative distribution function; if FALSE, it returns the probability density function.