NEGBINOMDIST

Calculates the probability of drawing a certain number of failures before a certain number of successes given a probability of success in independent trials.

Sample Usage

NEGBINOMDIST(4,2,0.1)

NEGBINOMDIST(A2,A3,A4)

Syntax

NEGBINOMDIST(num_failures, num_successes, prob_success)

  • num_failures - The number of failures to model.

  • num_successes - The number of successes to model.

  • prob_success - The probability of success in any given trial.

Notes

  • NEGBINOMDIST models the negative binomial distribution, which is related to the binomial distribution except that the number of trials is variable whereas the number of successes is fixed.

See Also

WEIBULL: Returns the value of the Weibull distribution function (or Weibull cumulative distribution function) for a specified shape and scale.

POISSON: Returns the value of the Poisson distribution function (or Poisson cumulative distribution function) for a specified value and mean.

NORMSINV: Returns the value of the inverse standard normal distribution function for a specified value.

NORMSDIST: Returns the value of the standard normal cumulative distribution function for a specified value.

NORMINV: Returns the value of the inverse normal distribution function for a specified value, mean, and standard deviation.

NORMDIST: The NORMDIST function returns the value of the normal distribution function (or normal cumulative distribution function) for a specified value, mean, and standard deviation.

LOGNORMDIST: Returns the value of the log-normal cumulative distribution with given mean and standard deviation at a specified value.

LOGINV: Returns the value of the inverse log-normal cumulative distribution with given mean and standard deviation at a specified value.

HYPGEOMDIST: Calculates the probability of drawing a certain number of successes in a certain number of tries given a population of a certain size containing a certain number of successes, without replacement of draws.

EXPONDIST: Returns the value of the exponential distribution function with a specified lambda at a specified value.

BINOMDIST: Calculates the probability of drawing a certain number of successes (or a maximum number of successes) in a certain number of tries given a population of a certain size containing a certain number of successes, with replacement of draws.

Examples

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