PROBHYPR

PROBHYPR

Returns the probability from a hypergeometric distribution

Category: Probability

See: CDF

Syntax
Arguments
Details
Examples

Syntax

PROBHYPR(N,K,n,x<,r>)

Arguments

N

is an integer population size parameter, with N [ge]

Range:

K

is an integer number of items in the category of interest parameter.

Range:

n

is an integer sample size parameter.

Range:

x

is an integer random variable.

Range:

max(0, K + n-N) [le]

min(K,n)

r

is an optional numeric odds ratio parameter.

Range:

Details

The PROBHYPR function returns the probability that an observation from an extended hypergeometric distribution, with population size N, number of items K, sample size n, and odds ratio r, is less than or equal to x. If the optional parameter r is not specified or is set to 1, the value returned is from the usual hypergeometric distribution.

Examples

SAS Statements Results

x=probhypr(200,50,10,2);

0.5236734081

SAS Statements	Results
x=probhypr(200,50,10,2);	0.5236734081

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