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Interface:
RAD
{HOME }
: n a:
:pk:
— ::i
PRG
kX'es ofn
drawaP(X)=p
20 8
0.6 3
VT;*:.' Vi ~:x: :.}&::
The probability that 3 elements have the mark X when dra-
wing 8 elements of total 20 is calculated. The probability of
X to occur is 0.6. If k > a or p > 1 the probability is 0.
The example may be "drawing" individuals from a population
of 20 where 12 is women (p = 12/20 = 0.6). The probability
that of 8 "drawn" individuals 3 is women is calculated.
Hypergeometric distribution function
The cummulativeprobability is calculated, i.e. the probability
that maximum k elements are drawn. This is the sum of the
probabilities of k = 0,k = l,k = 2 and k = 3.
4. Probability
45

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