5. 5
1 ( ) ( ) ( ) ( )
( ) .92 .85 .82 .95
p A B p A p B p A B
p A B
2 ( ) ( ) ( )
0.85 0.82 0.03
p B A p B p A B
( ) ( ) ( )
3 ( / )
( ) 1 ( )
0.92 0.82 0.1
0.665
1 0.85 0.15
p A B p A p A B
p A B
p B p B
4 ( ) ( ) 1 ( ) 1 0.82 0.18p A B p A B p A B
7. 7
4.0|,6.0,5.0 BAPAPBP
1-
( )
( | )
( )
( ) 0.5*0.4 0.2
P A B
P A B
P B
P A B
( ) ( )
0.6 0.2 0.4
P A B P A P A B
8. 8
2-
( )
( | )
( )
( ) ( )
0.5
0.6 0.2
0.8
0.5
P A B
P A B
P B
P A P A B
( )
3 ( | )
( )
1( )
0.5 0.5
1 0.6 0.5 0.2
0.2
0.5
P A B
P A B
P B
p A p B p A BP A B
13. 13
( 5) 1 ( 5)
1 ( 6)
p x p x
p x
-1
( ) (1 ) ,, 0,1,...,x n xn
P X x p p x n
x
606
)6.0(1)4.0()6.0(
6
6
1