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Distributions

Example

Trials : 5

Specified trial : 3

Probability of success : 0.63

•Statistics Wizard Operation

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

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

(3)Input values.

(4)Tap [Next >>].

(5)To display the graph, tap $.

uProgram, eActivity or Main Application

Command: BinomialPD ￿

Command Syntax

x value, Numtrial value, pos value

Input Example:

BinomialPD 3,5,0.63

Binomial Cumulative Distribution

Menu: [Distribution]-[Binomial CD]

Description: This command calculates the probability that a random variable that follows a binomial distribution will be a given x value or less. For example, it determines the probability of x or fewer successes when the probability of success p-trial is performed n times.

Definition of Terms

x : specified trial (integer from 0 to n)

Numtrial : number of trials n (integer, n > 0)

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

Calculation Result Output

prob : binomial cumulative probability

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