[請益] 品質管理問題
大家好～題目如下：
7.Tolerances for a new assembly call for weights between 32 and 33 pounds. The assembly is made using a process that has a mean of 32.6 pounds with a population standard deviation of .22 pounds. The process population is normally distributed.
a.Is the process capable?No. 0.606<1.25（這題已經解決）
b.If not, what proportion will meet tolerances?(答案應用機率表示，大約0.965嗎?)
c.Within what values will 99.5% of sample means of this process fall if the sample size is constant at 10 and the process is stable?
主要的問題是c.小題，完全沒有頭緒不知從何下手Q_Q
麻煩各位神人了～～謝謝^^
～下台一鞠躬～
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01/14 19:08, , 1F
01/14 19:08, 1F