() , .
, , , ,
, (D); , (H).
= , . + = , .
, , Ā ( ). , = . (k =1,2, , n) , . , Ā = H, + Ā = D.
1.1.
+ = ?
. + , . + = , , .
, . , , 2; 4. + = , 4, 2.
, ,
,
n ; m .
2.1. . , , , 5?
. 5. n = 36, 6 6 . m = 4: (1; 4), (2; 3), (3; 2), (4; 1),
.
, , . S, , , , .
, , , .
3.1. 11 11 30 . , 10 .
. 11 11 30, 30 , 11 20 11 30 ( 10) 10 .
. 1.
, 10, , . , ,
|
|
.
1. ( + ) = () + (), = , .
2. ( ) = () ( / A) = P (B) P (A / B).
( / ) , , .
( ) = () ( / A) P (C / A B)
3. , ( ) = () ().
4. (Ā) = 1 ‑ ().
4.1. , 0,7 0,8, . : ; ; .
. 1 , , , 2 . ( 1) = 0,7; ( 2) = 0,8; 1 2 .
1. : = 1 2,
() = ( 1 2) = ( 1)( 2) = 0,70,8 = 0,56.
2. : = 1 Ā 2+ Ā 1 2.
() = ( 1) (Ā 2) + (Ā 1) ( 2);
P (Ā 1) = 1 ‑ P ( 1) = 0,3; P (Ā 2) = 0,2;
P (B) = 0,7 0,2 + 0,8 0,3 = 0,38.
3. ( )., = + , .
() = () + () = 0,56 + 0,38 = 0,94.
() () , ( ):
= Ā 1 Ā 2; () = 0,3 0,2 = 0,06; () = 1 ‑ () = 0,94