題組內容

2.[20%] A manufacturer produces steel rods in three sizes (small, medium and large). For the steel rods sold by this manufacturer, 50% are of small size, 40% are of mediu ium size and 10% are of large size. Based on the strength test results, 15% of the small steel rods do not meet the specification. The pe ercentages that do not meet the specification are 10% and 5% for medium and large steel rods, respectively.

(i)(10%) Determine the probability that a rod randomly chosen from this manufacturer will not meet the specification.

詳解 (共 1 筆)

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詳解 #6090164
2024/05/07



(共 2 字，隱藏中）
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