4
.
1. , ( ).
2. .
3. .
4. .
5. .
6. .
7. .
8. .
1. :
Y | -1 | |||||
0,9 | 0,1 | 0,2 | 0,8 |
) (), (Y); ) (7 2 Y +10).
.
) () = _______________________________________________________________
(Y) = ________________________________________________________________
) (7 2 Y +10) = ________________________________________________________
³: ) ___________________________________, ) _____________________.
2. 8 , 5 . 3 . .
.
3. 6 . 10%. 1) , ; ; 2) ; 3) ; 4) , ?
.
1) | |||||||||
2) | × | 2 × | ||
() = __________________________________________________________________
D (X) = __________________________________________________________________
s () = __________________________________________________________________
3)
4) (____________) = ____________________________________________________
|
|
4. :
Y | ||||||
0,6 | 0,4 | 0,8 | 0,2 |
: ) × Y; ) + Y. : ; Y; + Y.
.
× Y | ||||||
+ Y | ||||||
× | 2 × | Y | Y × | Y 2 × | ||||
() = ________; D (X) =___________________________________________________
(Y) = ________; D (Y) = ___________________________________________________
( + Y) = ______________________________________________________________
D ( + Y) = ______________________________________________________________
, [ a, b ] | |
() | |
, [ a, b ] | |
5.
: 1) ;
2) ; ; ;
3) (), D (X), σ().
.
1)
2) = ___________________________________________________
= ___________________________________________________
= ____________________________________________________
3) () = ______________________________________________________________
_______
_______
D () = ________________________________________________________________
_______
_______
σ() = _________________________________________________________________
6. .
.
_______
_______
_______
7.
(), D (X), σ().
.
() = _______________________________________________________________
_______
_______
D () = ________________________________________________________________
_______
_______
σ() = _________________________________________________________________
() | |
, [ 1, 2 ] | |
8. [1;6], . : 1) ; 2) .
|
|
.
1)
2) () = _______________________________________________________________
D (X) = __________________________________________________________________
5