作者lu1227 (lu)
看板Grad-ProbAsk
标题[问题]95年北科计概~
时间Sun Mar 22 12:12:23 2009
题目:Suppose that a certain software product has a mean time
beteween failures of 10,000 hours and has a mean time to
repair of 20 hours. If the product is used by 100 customers,
what is ites availability?
1)80.2%
2)90.1%
3)98.9%
4)99.8%
5)100%
我在网路上也找不到算法~麻烦各位了~感温~~
--
※ 发信站: 批踢踢实业坊(ptt.cc)
◆ From: 116.118.148.81