The manufacturer of a new line of ink-jet printers would like toinclude as part of its advertising the number of pages a user canexpect from a print cartridge. The results from a sample of 14cartridges can be found here
1168 |
2265 |
1346 |
1814 |
1286 |
1611 |
1083 |
1216 |
2028 |
1498 |
2411 |
1145 |
1708 |
1685 |
a. what is the point estimate of the population mean andstandard deviation?
b. develop a 90% interval for the population mean
c. if the point estimate of the population mean and standarddeviation are accurate, what is the probability that another sampleof 14 cartridges will last an average of more than 1650 pages?
please show your work