7-11-10

Distribution

kGeometric Distribution

Geometric Probability

Command: GeoPD ￿

Description: This command calculates the probability that a random variable that follows a geometric distribution will be a given x value.

f (x) = p(1– p)x – 1

(x = 1, 2, 3, ···)

Command Syntax

xvalue, p-value

Definition of Terms

x : specified data (integer (x >1))

p : probability of success (0 <p <1)

Input Example:

GeoPD 15,0.75

Calculation Result Output

p : geometric probability

Geometric Cumulative Probability

Command: GeoCD ￿

Description: This command calculates the probability that a random variable that follows a geometric distribution will be a given x value or less.

Command Syntax

xvalue, p-value

Definition of Terms

x : specified data (integer (x >1))

p : probability of success (0 <p <1)

Input Example:

GeoCD 15,0.75

Calculation Result Output

p : geometric cumulative probability

20050501