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Ch8Q3 The cost of ink cartridges for inkjet printers can be substantial over the life of a printer. Printer manufacturers publish the number of pages

Ch8Q3
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The cost of ink cartridges for inkjet printers can be substantial over the life of a printer. Printer manufacturers publish the number of pages that can be printed from an ink cartridge in an effort to attract customers. A company claims that its black ink cartridge will yield an average 2,400 pages. To test this claim, an independent lab measured the page count of 54 cartridges and found the average page count to be 2,201.6. Assume the standard deviation for this population is 212. Complete parts a and b. a. Create a 95% confidence interval (Round to two decimal places as needed.) b. Does this sample support the company's claim? Choose the correct answer below. A. No, because the company's claim is between the limits of the confidence interval for the average number of pages yielded by a single black cartridge. OB. No, because the company's claim is not between the limits of the confidence interval for the average number of pages yielded by a single black cartridge. O C. Yes, because the company's claim is not between the limits of the confidence interval for the average number of pages yielded by a single black cartridge. D. Yes, because the company's claim is between the limits of the confidence interval for the average number of pages yielded by a single black cartridge. Get more help Clear all Check answer 29

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