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 Distribution Table & Distribution Table.) 3.190 3,032 2,511 2,563 2,543 3,337 2.560 2,894 3,699 2,508 Click here for the Excel Data Ele Required: a. What is the point estimate of the population mean? (Round your answer to 1 decimal place.) Estimated population mean 47 b. What is the point estimate of the population standard deviation? (Round your answer to 3 decimal places.) Estimated standard deviation c. What is the margin of error for a 99% confidence interval estimate? (Round your answer to 3 decimal places.) Margin of erro d. Develop a 99% confidence interval for the population mean (Round "t value to 3 decimal places and round your answers to 2 decimal places.) Confidence interval for the population mean is between and