Теория вероятностей и математическая статистика. Фарафонов В.Г - 23 стр.

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    
АВА
ВА

( ) ( ) ( ).Ç=×
A
pAB pApB

     

      



      

1 1 2 1 -1
12 1 2 3
( ) ( ) ( ) ( ) ( ),
Ç Ç¼Ç
Ç Ç¼Ç = × × ¼
n
n A AA A A n
pA A A pA p A p A p A

121
()
-
Ç Ç ¼ Ç
n
AAAn
pA
A
n

A
A
A
n

А В


( ) ( ) ( ).Ç=×pAB pApB

АВ
В
ВА
()()=
A
pBpB

()().=
B
pApA



12 123
( ) ( ) ( ) ( ) ( ).Ç Ç¼Ç = × × ¼
nn
pA A A pA pA pA pA


Аp
p
A
A


A
А


A
 