单项选择题
设电阻规范下限为95Ω,规范上限为105Ω,则分析下列问题:
A.3/5 B.5/6 C.6/5 D.5/3
A.99.74% B.99% C.95.45% D.68.27%
A.0.25 B.0.4 C.0.67 D.1.0