Casio ClassPad 300 - Manual (Page 388)

20021201
k Poisson Distribution
Poisson Probability
Command: PoissonPD
Ⅺ
Description: This command calculates the probability that a random variable that follows a
Poisson distribution will be a given x value.
f (x) =
x!
e – x µ µ
( x = 0, 1, 2, ···) µ: mean (µ > 0)
Command Syntax
x value, µ value
Definition of Terms
x : specified data( x > 0)
µ : mean (µ > 0)
Input Example:
PoissonPD 31,0.36
Calculation Result Output
p : Poisson probability
Poisson Cumulative Probability
Command: PoissonCD
Ⅺ
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, µ value
Definition of Terms
x : specified data( x > 0)
µ : mean (µ > 0)
Input Example:
PoissonCD 31,0.36
Calculation Result Output
p : Poisson cumulative probability
7-11-9
Distribution