# Negative binomial distribution (chart) Calculator

## Calculates a table of the probability mass function, or lower or upper cumulative distribution function of the Negative binomial distribution, and draws the chart.

 select function probability mass flower cumulative distribution Pupper cumulative distribution Q number of successes k k=1,2,... probability of success p 0≦p≦1 [ initial percentile (number of failures before k successes) increment repetition ]
 $\normal Negative\ Binomial\ distribution\\[10](1)\ probability\ mass\\\hspace{30}f(x,k,p)={}_{x+k-1}C_xp^k(1-p)^x\\(2)\ lower\ cumulative\ distribution\\\hspace{30}P(x,k,p)={\large\sum_{t=0}^{x}}f(t,k,p)\\(3)\ upper\ cumulative\ distribution\\\hspace{30}Q(x,k,p)={\large\sum_{t=x}^{n}}f(t,k,p)\\$

Negative binomial distribution (chart)
 [1-1] /1 Disp-Num5103050100200
[1]  2009/09/12 07:38   Male / 30 level / A researcher / Very /
Purpose of use
instead using statistical tables
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very good

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