Question: 4. Specification for a part are 110 +/- 4. The part is constructed from a process with a mean of 108 and the population standard

4. Specification for a part are 110 +/- 4. The part is constructed from a process with a mean of 108 and the population standard deviation of 2.5. The process in normally distributed:

a. Is the process capable?

b. What is the proportion the product will meet the specification?

c. What is the percentage of products that will be less than the upper specified limit?

d. Within What values will 96% of sample means of the process fall if the sample size is constant at 14 and the process is stable?

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