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Casio ClassPad 300 PLUS User Manual

Page 394

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20050501

7-11-7

Distribution

Input Example:

FPD 1.7,2,3

Calculation Result Output

p

:

F

probability density

F

Distribution Probability

Command:

FCD

Description: This command calculates the probability of

F

distribution data falling between

a

and

b

.

p

=

Γ

n
2

dx

x

d

n

n
2

–1

2

n

Γ

2

n + d

Γ

2

d

d

n.x

1 +

n + d

2

a

b

a

: lower boundary (Lower)

b

: upper boundary (Upper)

Command Syntax

Lower value, Upper value,

n

:

df

value,

d

:

df

value

Definition of Terms

Lower : lower boundary
Upper : upper boundary

n

:

df

:

degrees of freedom of numerator (positive integer)

d

:

df

:

degrees of freedom of denominator (positive integer)

Input Example:

FCD 0.76,3,2,3

Calculation Result Output

p

:

F

distribution probability

k Binomial Distribution

Binomial Probability

Command:

BinomialPD

Description: This command calculates the probability that a random variable that follows a

binomial distribution will be a given

x

value. For example, it determines the

probability of

x

successes when the probability of success

p

-trial is performed

n

times.

f

(x) =

n

C

x

p

x

(1–p)

n

x

(x

= 0, 1, ·······,

n

)

p

: probability of success

(0 <

p

< 1)

n

: number of trials