Sharp EL-9900 Operation Manual page 250

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