CalculatorsDistributions CalculatorStatistics Tools Negative Binomial Distribution Calculator by Erma Khan January 17, 2023 This calculator uses the negative binomial distribution to find the probability of experiencing k failures before experiencing r successes when the probability of success on each trial is p. k (number of failures) r (number of successes) p (probability of success on a given trial) P(X = 9): 0.07191 Share 0 FacebookTwitterPinterestEmail previous post Confidence Interval for the Difference in Proportions Calculator next post How to Perform Fisher’s Exact Test in SPSS Related Posts Sxy Calculator for Linear Regression Sxx Calculator for Linear Regression Two Sample Z-Test Calculator One Sample Z-Test Calculator F-Test for Equal Variances Calculator Tolerance Interval Calculator Area To The Right of Z-Score Calculator Area To The Left of Z-Score Calculator X-Bar (Sample Mean) Calculator Trimmed Mean Calculator