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20090601
• Statistics Wizard Operation
(1) On the menu bar, tap [Calc] and then [Distribution].
(2) Select [Hypergeometric CD] and then tap [Next >>].
(3) Input values.
(4) Tap [Next >>].
(5) To display the graph, tap
.
S
Program, eActivity or Main Application
Command: HypergeoCD
:
Command Syntax
Lower value, Upper value,
n
value,
M
value,
N
value
Input Example:
HypergeoCD 0,1,5,10,20
Inverse Hypergeometric Cumulative Distribution
Menu: [Inv. Distribution]-[Inverse Hypergeometric]
Description: This command calculates the inverse of the hypergeometric cumulative
distribution.
prob
H
N
C
n
M
C
i
×
N–M
C
n–i
∑
X
i=0
This command returns the minimum value (positive integer) of
X
(
3
upper
bound) that satisfies the inequality formula above.
Definition of Terms
prob
: hypergeometric cumulative probability (0
prob
1)
n
: number of trials from population (0
n
integer)
M
: number of successes in population (0
M
integer)
N
: population size (
n
N
,
M
N
integer)
Calculation Result Output
x
Inv : inverse hypergeometric cumulative distribution
*
x
Inv : recalculation value (Displayed only when there is the possibility of
rounding error.)
• To account for possible rounding error, ClassPad also obtains the result using
the probability that is next lowest for the least significant digit. For example, if
the probability is 0.3, ClassPad would recalculate using 0.29. The recalculation
result is only shown if it is different from the original one.
Graphing may take a long
time when the absolute value
of the argument is large.
Graphing may take a long
time when the absolute value
of the argument is large.
7-11-25
Distributions