- . n , . , , ( " "), n .
. , , (4.5.9)
= 1 - (1-)n.
n ,
P(t) = 1-(1-p1) (1-p2)... (1-pn). (4.5.21)
(4.5.21) . , k n ,
P(t) = pi(1-p)n-i, . (4.5.22)
l
P(t) = , (4.5.22.1)
= xp(-lt).
: |
- . n , . , , ( " "), n . . , , (4.5.9) = 1 - (1-)n. (4.5.21) . , k n , l P(t) = , (4.5.22.1) = xp(-lt).
: 2015-05-08; !; : 891 | : : 80% - . |