, . (. 2).
2
X | ||||||
1/6 | 1/6 | 1/6 | 1/6 | 1/6 | 1/6 |
-10. 49. (. 3).
3
X | |||||
1/49 | 1/49 | 1/6 | 1/49 |
. I (I , 0, 1, 2 3). (); , , . . , [1 - ()].
1 = 0 , . , (2.6),
I = 1 , . (2.6)
l = 1 : ( )( ), , (2.4), l = 1, :
I = 2 , . , , :
1 = 3 . ,
, l :
0,5. , ; () = 0,5, = 6, 1 = 4. (2.10):
. , , , . .
( )
:
X xv x2,..., m1, m,..., .
, 1/, 2/,... , . .
|
|
, (. . 2).
(2.11):
, (. . 3). (2.11),
, {), {). ? , X - (), ( ) : [ - ()]. , , , . [ (X)], [ - ()]2. , .
:
, X .
, (. . 2).
3,5. : (1 - 3,5)2 = 6,25; (2 - 3,5)2 = 2,25; (3 - 3,5)2 = 0,25; (4 - 3,5)2 = 0,25; (5 - 3,5)2 = 2,25; (6 - 3,5)2 = 6,25. (2.12) (2.11) :
(2.12), . , , :
. , . .
dP , X + dx. , dx, dP: dP ~ dx. , , ,
f(x) , . , , dx , :
(2.15) , , - (ab):
(2.19), , , :
|
|