# Hypergeometric distribution (chart)

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

select function
 probability mass f lower cumulative distribution P upper cumulative distribution Q
sample size n
 n=0,1,2,.. n≦N
successes of lot M
 M=0,1,2,.. x≦M
lot size N
 N=0,1,2,..  M≦N
[ initial percentile x
(successes of sample)
 x=0,1,2,..  x≦n
increment
 repetition ]

 $\normal Hypergeometric\ distribution\\[10](1)\ probability\ mass\\\hspace{30}f(x,n,M,N)={\large\frac{{}_MC_x\ {}_{N-M}C_{n-x}}{{}_NC_n}}\\(2)\ lower\ cumulative\ distribution\\\hspace{30}P(x,n,M,N)={\large\sum_{t=0}^{x}}f(t,n,M,N)\\(3)\ upper\ cumulative\ distribution\\\hspace{30}Q(x,n,M,N)={\large\sum_{t=x}^{M}}f(t,n,M,N)\\$

To improve this 'Hypergeometric distribution (chart) Calculator', please fill in questionnaire.

Male or Famale ?
Male Female
Age
Under 20 years old 20 years old level 30 years old level
40 years old level 50 years old level 60 years old level or over
Occupation
Elementary school/ Junior high-school student
High-school/ University/ Grad student A homemaker An office worker / A public employee
Self-employed people An engineer A teacher / A researcher
A retired people Others
Useful?
Very Useful A little Not at All
Purpose of use?