Dakota Reference Manual
Version 6.4
LargeScale Engineering Optimization and Uncertainty Analysis

A negative binomial distribution parameter
Alias: prob_per_trial
Argument(s): REALLIST
The negative binomial distribution is typically used to predict the number of failures observed when repeating a test until a total of n
successes have occurred, where each test has a probability p
of success.
The density function for the negative binomial distribution is given by:
where