PrintTech, Inc. is introducing a new line of ink-jet printers and would like to promote the number of pages a user can expect from a print cartridge. A sample of 10 cartridges revealed the following number of pages printed. (Use t Distribution Table.) 3,071 3 , 025 2, 472 2,552 2,579 3, 187 2,575 2, 920 3 , 664 3, 034 picture Click here for the Excel Data File a. What is the point estimate of the population mean? (Round your answer to 2 decimal places.) Estimated population mean 2,907.90 b. Develop a 90% confidence interval for the population mean. (Round your answers to 2 decimal places.) Confidence interval for the population mean is and between