, , , . . , , . .
. . , 0,5, 0,95. . , , , . ( ). , .
:
ROP = dL,
d ,
L , , , .
(SS) :
, , , , .
. , 50 . $5 $40 . . 6.
? , . , , ROP. , 20 ., ROP = 70 = (50 + 20), $5(20) =$100.
, . , , , (. . ). ROP. 10 , 60 . (ROP = 50 .), 20 . , 70 . , :
|
|
(10 . )(.2)($40/. )(6 ) + (20 . )(0,1)($40)(6) = $960.
.
20 . : 50 + 20 = 70 .
, , ( ), . , . 11 , . , 16.5 ., 16.5 .
. 11.
, , 95% (, , 5% ). , ( ) , , , ( ) q. . q, 95% .
. , . 350 . 10. , 5%- . ? .
= 350 .
q =10.
= + .
SS = - .
Z , 0,95 ( 1 0,05). , Z, 1,65. :
:
, 11.