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Distribution

kPoisson Distribution

Poisson Probability

Command: PoissonPD ￿

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

 

ex

f (x) =

 

(x = 0, 1, 2, ···)

 

x!

: mean (> 0)

Command Syntax

x value, value

Definition of Terms

x : specified data(x >0)

: mean (> 0)

Input Example:

PoissonPD 31,0.36

Calculation Result Output

p : Poisson probability

Poisson Cumulative Probability

Command: PoissonCD ￿

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

Command Syntax

x value, value

Definition of Terms

x : specified data(x >0)

: mean (> 0)

Input Example:

PoissonCD 31,0.36

Calculation Result Output

p : Poisson cumulative probability

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