294                                                   11

,   .      ,
 dp ^  ^.    N   6.

      F    -
 .       (11.3), (11.4)  (11.5),  
 ,     .    -
      . , 
        .

        -
     .   
          .



        -
.   ,      
    .       -
 ,         
.       (11.4) (6?^)  -
  (factor risk)  ,   (2.)   -
 (nonfactor risk)  .

      :

^^+,                       (.)


N

^=^6,;                 (.)

/ 1

N

^,=1>^,.                                (11.6)
f=l

 (.) ,        
  ,       -
 ,    (11.4).  ,    
   (.)      -
 .

        (.. -
   ),   ^  .    -
      b ,    -
          
   ^..     (11.66),  -
  ,  b      
 b.,        ,  -
    .

        , -
      .   , 
 (11.6). ,         
 ,        X.  \/N 
: