The manufacturer of a new line of ink-jet printers would like to include as part of its advertising the number of pages a user can expect from aprintcartridge. A sample of 10 cartridges revealed the following number of pages printed. (Use t Distribution Table.)

3,360

2,450

2,550

2,610

3,390

2,610

2,000

3,210

2,400

3,390

a.	What is the point estimate of the population mean?(Round your answer to the nearest wholenumber.)

Estimated population mean

b.	Develop a 95%confidence intervalfor the population mean.(Round your answers to 2 decimal places.)

Confidence interval for the population mean is betweenand.