Math Problem Statement
某產品以一定個數法取樣,當第r個故障發生及停止試驗,完成試驗的期望時間為:E(t)=r試問10個樣本試驗到5個故障時停止,其平均試驗所需時間僅採5個樣本試驗所需時間的多少%?(A)10%(B)20% (C) 28%(D) 36% (E)45%。
Solution
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Math Problem Analysis
Mathematical Concepts
Reliability Testing
Expected Time to Failure
Proportional Relationships
Formulas
E(t) = (r / n) * t_n
R = (0.5 * t_10 / t_5) * 100%
Theorems
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Suitable Grade Level
Advanced Mathematics
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