ClassPad 330 Plus Manual

20090601
Example
Geometric cumulative probability : 0.875
Probability of success : 0.5
• Statistics Wizard Operation
(1) On the menu bar, tap [Calc] and then [Distribution].
(2) Select [Inverse Geo CD] and then tap [Next >>].
(3) Input values.
(4) Tap [Next >>].
u
Program, eActivity or Main Application
Command: InvGeoCD

Command Syntax
prob
value,
pos
value
Input Example:
InvGeoCD 0.875,0.5
k
Hypergeometric Distribution
Hypergeometric Distribution Probability
Menu: [Distribution]-[Hypergeometric PD]
Description: This command calculates the probability the random variable that follows a
hypergeometric distribution will be a given
x
value.
prob
=
N
C
n
M
C
x
×
N–M
C
n–x
Definition of Terms
x
: specified trial (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 probability
7-11-23
Distributions