Quality control engineers want to ensure that a product has an acceptable mean, but they also want to produce items of consistent quality so that...

Quality control engineers want to ensure that a product has an acceptable mean, but they also want to produce items of consistent quality so that there will be few defects. bottling company had been manufacturing cans of cola with amounts of volume having an average of 12. oz. A new bottling machine is tested, and a simple random sample of 64 cans results in the average of 11.85 with standard deviation of S=0.039 oz. use a 0.05 significance level to test the claim that cans of cola from the new machine have amounts with an average volume of less than 12 oz. perform 5 step of hypothesis