單項選擇題加工某一零件,共需經(jīng)過三道工序,已知生產(chǎn)了240個產(chǎn)品,共發(fā)現(xiàn)96個缺陷,則RTY和DPU分別是多少?()

A.RTY=0.5,DPU=0.6065
B.RTY=0.5,DPU=0.083
C.RTY=0.6703,DPU=0.4
D.RTY=0.3297,DPU=0.4


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