Casio CLASSPAD 330 3.04 User Manual
Page 216

20090601
The calculation results of invGeoCDf are integers. Accuracy may be reduced when the
first argument has 10 or more digits. Note that even a slight difference in calculation
accuracy affects calculation results. If a warning message appears, check the displayed
values.
Example: To determine the minimum number of trials when
prob
= 0.875,
pos
= 0.5
Menu Item: [Action][Inv. Distribution][invGeoCDf]
For more information, see “Inverse Geometric Cumulative Distribution” on page 7-11-22.
S hypergeoPDf
Function: Returns the probability in a hypergeometric distribution that the success will
occur on a specified trial.
Syntax: hypergeoPDf(
x
,
n
,
M
,
N
[ ) ]
Example: Determine the hypergeometric probability when
x
= 1,
n
= 5,
M
= 10,
N
= 20.
Menu Item: [Action][Distribution][hypergeoPDf]
For more information, see “Hypergeometric Distribution Probability” on page 7-11-23.
S hypergeoCDf
Function: Returns the cumulative probability in a hypergeometric distribution that the
success will occur between specified lower value and upper value.
Syntax: hypergeoCDf(lower value, upper value,
n
,
M
,
N
[ ) ]
Example: Determine the hypergeometric cumulative distribution when lower value = 0,
upper value = 1,
n
= 5,
M
= 10,
N
= 20.
Menu Item: [Action][Distribution][hypergeoCDf]
For more information, see “Hypergeometric Cumulative Distribution” on page 7-11-24.
S invHypergeoCDf
Function: Returns the minimum number of trials of a hypergeometric cumulative
distribution for specified values.
Syntax: invHypergeoCDf(
prob
,
n
,
M
,
N
[ ) ]
Important!
When executing the invHypergeoCDf function the calculator uses the specified
prob
value and the value that is one less the
prob
value minimum number of significant digits
(*
prob
value) to calculate minimum number of trials values. The results are assigned to
the system variables
xInv
(calculation result using
prob
) and *
xInv
(calculation result
using *
prob
). The invHypergeoCDf function always returns the
xInv
value only. However,
when the
xInv
and *
xInv
values are different, the warning message shown below appears
showing both values.
2-8-56
Using the Action Menu