ClassPad 330 Plus Manual
20090601
Example
Specified trial: 1
Number of trials from population: 5
Number of successes in population: 10
Population size: 20
• Statistics Wizard Operation 
(1) On the menu bar, tap [Calc] and then [Distribution].
(2) Select [Hypergeometric PD] and then tap 
[Next >>]. 
(3) Input values.
(4) Tap [Next >>].
(5) To display the graph, tap 
$
. 
u
Program, eActivity or Main Application 
Command: HypergeoPD
 
Command Syntax
 x
 value, 
n
 value, 
M
 value, 
N
 value
Input Example: 
 HypergeoPD 1,5,10,20
Hypergeometric Cumulative Distribution
Menu: [Distribution]-[Hypergeometric CD]
Description: This command calculates the probability the random variable that follows a 
hypergeometric distribution will fall between given lower bound and upper 
bound values.
prob
 = 
N
C
n
M
C
i 
×
N–M 
C
n–i 
∑
Upper
i=Lower
Definition of Terms 
Lower : lower bound (Lower 
<
 Upper integer)
Upper : upper bound (Lower 
<
 Upper integer)
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
prob
: hypergeometric cumulative probability
Example 
Lower bound: 0
Upper bound: 1
Number of trials from population: 5
Number of successes in population: 10
Population size: 20
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. 
7-11-24
Distributions 










