设一瓶啤酒的净含量为640±2ml,生产出的一批瓶装啤酒的净含量X~N2(640.32,0.52),则这批啤酒净含量的()
A.Cp = 1. .33 B.Cp =0.67 C.Cpk =1. 12 D.Cpk =1.33 E.均值偏离目标值0.32ml正确答案ACE
设一瓶啤酒的净含量为640±2ml,生产出的一批瓶装啤酒的净含量X~N2(640.32,0.52),则这批啤酒净含量的()
A.Cp = 1. .33 B.Cp =0.67 C.Cpk =1. 12 D.Cpk =1.33 E.均值偏离目标值0.32ml正确答案ACE