作者jason1xii (大胖)
看板Statistics
標題[問題] 問一個簡單的考題
時間Tue Apr 1 17:25:00 2008
A company manufactures rope whose breaking strengths have a mean of 300 lb
and a
standard deviation of 24 lb. It is believed that by a newly developed process
the mean
breaking strength can be increased. Design a decision rule for rejecting the
old
process at the 0.01 significance level if it is agreed to test 64 ropes. (
Z0.99 = 2.33)
94年 高應大
問題: 請問這有牽涉到兩母體(新流程&舊流程)嗎?
還是說 只要按照題意給的資料 算出 拒絕域 拒絕H0 即可?
若是兩母體 可否 寫出H0 & H1 假設試算一下?
請各位高手 解惑 感恩
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