   8

 

       ,  
  .  ,       -
    .      
         
,   .     
,    ,      -
,    .

       .  , 
   ,     
 ?  ,     
   ,     ?  -
,           ?
          ,   .

   

   ,   N     -
  .     Able, Baker  Charlie, 
N  .        Able,  
  Baker,      . ,
      ,     ,  75%
 ,  25%  ,   33%  67% .    
    ( 0%  100%)   ,    -
.      Charlie,   
   '.

       ?  , -
     .   ,   
    ,   
    (efficient set theorem):

       ,
  :

1.       
.

2.       
 .