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Distributions

Example

Specified trial : 10

Mean : 6

Statistics Wizard Operation

(1)On the menu bar, tap [Calc] and then [Distribution].

(2)Select [Poisson PD] and then tap [Next >>].

(3)Input values.

(4)Tap [Next >>].

(5)To display the graph, tap $.

uProgram, eActivity or Main Application

Command: PoissonPD 

Command Syntax

x value, λ value

Input Example:

PoissonPD 10,6

Graphing may take a long time when the absolute value of the argument is large.

Poisson Cumulative Distribution

Menu: [Distribution]-[Poisson CD]

Description: This command calculates the probability the random variable that follows a Poisson distribution will fall between given upper bound and lower bound values.

Definition of Terms

Lower : lower bound (Lower < Upper integer)

Upper : upper bound (Lower < Upper integer)

λ: mean (λ > 0)

Calculation Result Output

prob : Poisson cumulative probability

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