The manufacturer of a new line of ink-jet printers would like to include as part of its advertisingDevelop a 90 percent confidence interval for the population mean. the number of pages a user can expect from a print cartridge. A sample of 10 cartridges revealed the following number of pages printed.
3,580 2,560 2,550 2,500 2,730 2,610 2,440 3,540 3,060 2,950
(a) What is the point estimate of the population mean? (Round your answer to the nearest whole number.)
(b) (Round your answers to 2 decimal places.)