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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, μ value

Input Example:

PoissonPD 10,6

Poisson Cumulative Distribution

Menu: [Distribution]-[Poisson CD]

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

Definition of Terms

x : specified trial (integer, x > 0)

μ: mean (μ > 0)

Calculation Result Output

prob : Poisson cumulative probability

Example

Specified trial : 3

Mean : 2.26

•Statistics Wizard Operation

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

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

(3)Input values.

(4)Tap [Next >>].

(5)To display the graph, tap $.

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