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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