(Answered) Population standard deviation

Statistics

Problem: 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. Provide justifications and citations for your responses.

Required:

a. Is the process capable?

b. If not, what proportion will meet tolerances?

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?

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