1. .
2. , .
3. .
() | , = () |
, [a, b] | |
, ε | |
3- σ | - (-3σ; +3σ) |
D(X) ≤ C (C>0, = 1, 2,..., n; ) | |
: 1) , , . 2) , p q , (3) (4) pq 0,25, . |
1. , , 3, , 4, : ) [1;5]; ) 8; ) 5; ) (-3; 9).
.
) (1 ≤ ≤ 5) = _________________________________________________________
________
) ( ∞ ≤ ≤ 8) = ________________________________________________________
________
) (5 ≤ ≤ + ∞) = ________________________________________________________
________
) ( 3 < < 9) = ________________________________________________________
________
2. , 2 0,5. .
.
_______
_______
_______
_______
3. . 6 25 . , 2.
.
_______
_______
_______
4. = 10 σ = 5. , 0,8664 .
.
= _____________
= _________; = _________; e = _________________________
_______
_______
5. () = 2 σ2 = 9. 3- σ.
.
_______
_______
6. , , :
|
|
0,1 | 0,2 | 0,7 |
, 1.
.
× | 2 × | ||
() = ________; D (X) =___________________________________________________
= ______________________________
7. ϳ 3000 . 120 (). ³ () . , 0,01. , 30000 ? , .
.
= ______________, q = ____________
n = ____________
= _________________________________________
n = ____________
= _________________________________________
_______
_______
6()