[問題] 統計一題
two type of defects,A and B are seen in the output of a certain manufacturing
process. Each item can be classified ito one of the four classes AB. AB*,
A*B,A*B8,where A* denote the absence of the type A defect. For 100 inspected
items the followig frequencies were observed: AB:48,AB*:18,A*b:21,A*B:13.
At 5% sinificance level, test the hypothesis that the four categories, in
the order listed, occur in the ratio 5:2:2:1
請問這個要用什麼方法來做？
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