Chapter 2: Main Application
90
u
hypergeoPDf
[Action][Distribution/Inv.Dist][Discrete][hypergeoPDf]
Function: Returns the probability in a hypergeometric distribution that the success will occur on a specified
trial.
Syntax: hypergeoPDf(
x
,
n
,
M
,
N
[ ) ]
Calculation Result Output:
prob
Example: Determine the hypergeometric probability when
x
= 1,
n
= 5,
M
= 10,
N
= 20.
u
hypergeoCDf
[Action][Distribution/Inv.Dist][Discrete][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
[ ) ]
Calculation Result Output:
prob
Example: Determine the hypergeometric cumulative distribution when lower
value = 0, upper value = 1,
n
= 5,
M
= 10,
N
= 20.
u
invHypergeoCDf
[Action][Distribution/Inv.Dist][Inverse][invHypergeoCDf]
Function: Returns the minimum number of trials of a hypergeometric cumulative distribution for specified
values.
Syntax: invHypergeoCDf(
prob
,
n
,
M
,
N
[ ) ]
Calculation Result Output:
x
Inv,
½
x
Inv
Important!
See “Important!” under “invBinomialCDf” on page 88.
Example: To determine the minimum number of trials when
prob
= 0.3,
n
= 5,
M
= 10,
N
= 20
Using the Financial Submenu
The [Financial] submenu contains commands that are related to financial calculations.
For information about the functions included in this submenu, see “11-4 Financial Calculation Functions”.
Using the Command Submenu
u
Define
Function 1: Defines function and registers it with Graph Editor.
Syntax 1: Define
{
y
1(
x
) −
y
100(
x
) ;
x
1(
y
) −
x
100(
y
) ;
yt
1(
t
) −
yt
100(
t
) ;
xt
1(
t
) −
xt
100(
t
) ;
r
1(
) −
r
100(
)} = <expression>
Example: To define the function
y
= sin(
x
) and assign it to line “
y
3” of the
Graph Editor
Function 2: Creates a user-defined function.
For more information, see “12-3 User-defined Functions”.
u
DispStat
Function: Displays previous statistical calculation results.
For more information, see “DispStat” on page 209 and the examples
1208
through
1210
under “Including
Statistical Graphing and Calculation Functions in a Program” on page 225.