大家好～题目如下： 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（这题已经解决） b.If not, what proportion will meet tolerances?(答案应用机率表示，大约0.965吗?) 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? 主要的问题是c.小题，完全没有头绪不知从何下手Q_Q 麻烦各位神人了～～谢谢^^ ～下台一鞠躬～ -- --

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