問題詳情

9. A firm manufactures metal rods which must be rejected if they are not betwecn 6.025 and 6.475 cn in dianeter. Theexpect value of the diameter of the rods is 6.25 cmn, and the standard dev deviation of tbese diamet eter is 0.035 cm. What is themaximum probability that a rod will be rejected?
(A) 0.0531
(B) 0.0444
(C) 0.0357
(D)0.0242

參考答案

答案:[無官方正解]
難度:計算中-1
書單:沒有書單,新增