A computer supply store sells a wide variety of generic replacement ink cartridges for printers. A quality inspector is checking the cartridges that should contain 30 ml of ink. A

random sample of 16 black replacement cartridges revealed a mean amount of 29.53 ml with a standard deviation of 0.52 ml . Assume that the underlying distribution of the amount of ink in these cartridges is normal. Find the 99% confidence interval for the mean amount of ink in such cartridges. (29.25, 29.81) (29.20, 29.87) O (29.15, 29.91) (29.30, 29.76)