1. n=3 ( 2). λ= 0,05 1/. .
t= 10,20, 50, 100 , .
t, | R | λ, /1 | R̃ | λ̃, /1 |
0,939 | 0,015 | 0.986 | 0,00385 | |
0,747 | 0.0296 | 0,92 | 0,01 | |
0.227 | 0,0458 | 0,544 | 0,0236 | |
0,02 | 0,0497 | 0,125 | 0.0338 |
T 0 = 20
T = 20(1+1/2+1/3)= 36,7 █
2. , .
R̃ (t) =
λ̃ (t) = .
. .
T̃ = nT0 = 3∙20= 60 █
3. m , 0,96 t =150 . T 0 =300 . : ) ) .
,
, R (t) , n (n= m +1).
)
, λ =1/ T 0 .
,
=2,45.
m = 3.
)
, = 0,822,
= 0,87.
m = 1.
.▲
4. n =4 18 . 30 . λ= 0,15∙10-3 1/. t =600 .
p t.
p = e-λt .
( 2-).
.
t = 600
= 0,9139
( c λ)
,
k .
T = 103/0,15∙(1/2+1/3+1/4)= 7220 .
λ = 0,3∙10-3; R (600) = e -0,18 = 0,835; T = 3333 . ▲
5. λ 1= 10-4 1/. : λ 2= 10-5 1/ ( ). 103, 5∙103, 104 .
|
|
t, | ||
103 | e -0,1(1+0,1)=0,9953 | e -0,01 =0,990 |
5∙103 | e -0,5(1+0,5)=0,9075 | e -0,05 =0,9512 |
104 | e -1(1+1)= 0,7358 | e -0,1 = 0,9048 |
t = 5∙103 104 . ▲
6. , (λ 1= 0,3∙10-3 1/) (λ 2= 5∙10-3 1/). . t = 100 . .
=
= =
= .
R (t) = e- 0,03 = 0,9704. ▲