, , (). . (W ), (0, () ( ) (W).
.
\(\ ) W = J-i-----'-,
/= 1, .
. . , (), 35%, 0,35. (W) 5%, 0,05.
^ (\ - ) = 0,35(1 W
0,35)
0,0025
= 91 (, , ).
, 4%, 143 , 3% - 225, 296- 575 ..
W = J,
I
, () (W). . = = 2,29 , W= 0,15 . (/?):
2,29 0,0225
= 102 .
, , 0,15, 100 (, . .), 0,3, 25 .
, , 1 (/=1), , 683 1000 . , 2 (/=2), , 954 1000 . , , /.
.
=
( ).
= /J = -~- ( ).
V
/ = 2 , :
, 0,35(1-0,35) 4 "*"
(.) =-----^ , ' -- 364 ;
(.) =
2,29 4
= 407 .
0,0225
, (/=2), , ^ , 5% 0,15 683, 954 1000. , , 28 .
|
|
. - , , , . . , , . . - ( ) . .
=
- =
NtP(\ - )
= -------i-------'-
+ tP(\ - )
/
2,2
> = ',1--7 =
/1 I, N) £f,, ,
. , . , .
, :
( )
( )
/ ( )
N ( )
= 35 %, 0,35;
= 5 %, 0,05;
= 2;
5000.
=
( )
5000 4 0,35 (1 - 0,35) _ 4600 O.OD25 5000 + 4 0,35 (1-0,35) ~ 13,42
= 343 .
3%, 848 , 2 % 1575 .
.
:
() = 2,29 ;
( ) = 0,15 ;
t ( ) = 2;
N ( ) = 3000.
( )
3000 4 2,29 27480
0,0225 3000 + 4 2,29 67,5 + 9,16
= 358 .
, . . 6000, , 381 . , , . , , . , , , .
. 6. . 5 ( ), , 2 (/=2).
6
, , (t=2)
, % | ||||||
, % | ||||||
10 (90) | ||||||
15 (85) | ||||||
20 (80) | ||||||
25 (Z5i | 75 | 19 | ||||
30 (70) | ||||||
35 (65) | ||||||
40 (60) | ||||||
45 (55) | ||||||
50 (50) | 10 000 |
. .
|
|
, 25%. . 6. ( ), 25% (75%), , , 1% 7500 , 2% -1900, 3% - 830, 4% - 470, + 5% - 300 . . , , .
- 300400 . 50% ( -- 0,25) 5%, 20% (80%) 4%, 10% (90%) 3%.