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TI-83 Plus Inferential Statistics and Distributions 433
geometpdf(
geometpdf(
computes a probability at
x
, the number of the trial on which
the first success occurs, for the discrete geometric distribution with the
specified probability of success
p
. 0
p
1 must be true.
x
can be an
integer or a list of integers. The probability density function (pdf) is:
,2,1,)1()(
1
=−=
−
xppxf
x
geometpdf(
p
,
x
)
geometcdf(
geometcdf(
computes a cumulative probability at
x
, the number of the trial
on which the first success occurs, for the discrete geometric distribution
with the specified probability of success
p
. 0
p
1 must be true.
x
can be
a real number or a list of real numbers.
geometcdf(
p
,
x
)
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