Sharp EL-9900 - Page 250

240
Appendix
3 pdfχ
2
(
f (χ
2
, df) =
df
2
2Γ ( )
df
2
– 1
χ
2
2
e
(- )
χ
2
2
( )
1
4 pdfF(
f (x) = ( )
m
2
m + n
2
m + n
2
Γ ( )
n
2
Γ ( )
Γ ( )
m
n
(1 + )
mx
n
x
– 1
m
2
m
2
-
5 pdfbin(
P (x = 0) = (1 – p)
n
P (x = c + 1) =
P (x = c)
(n – c) p
(c
+ 1)(1 – p)
(c = 0, 1, ..., n – 1)
6 pdfpoi(
f (x) =
e
- µ
µ
x
x!
(x = 0, 1, 2, ...)
7 pdfgeo(
f (x) = p (1 – p)
x
-
1
df: Degree of freedom
m: Degree of freedom of
numerator
n: Degree of freedom of
denominator
n: Trial number (integers
greater than 0)
p: Success probability
(0 ≤ p ≤ 1)
c: Success number
x: First successful trial number
However: Γ(s) = ∫
∞
0
x
s–1
e
-x
dx
However: Γ(s) = ∫
∞
0
x
s–1
e
-x
dx