hygecdf - Hypergeometric cumulative distribution function
Syntax
hygecdf(X,M,K,N)
Description
hygecdf(X,M,K,N) computes
the hypergeometric cdf at each of the values in X using
the corresponding size of the population, M, number
of items with the desired characteristic in the population, K,
and number of samples drawn, N. Vector or matrix
inputs for X, M, K,
and N must all have the same size. A scalar input
is expanded to a constant matrix with the same dimensions as the other
inputs.
The hypergeometric cdf is
The result, p, is the probability of drawing
up to x of a possible K items
in N drawings without replacement from a group
of M objects.
Examples
Suppose you have a lot of 100 floppy disks and you know that
20 of them are defective. What is the probability of drawing zero
to two defective floppies if you select 10 at random?
p = hygecdf(2,100,20,10)
p =
0.6812
See Also
cdf, hygepdf, hygeinv, hygestat, hygernd
 | hougen | | hygeinv |  |
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