Question: Let say you took the total sample finalized in the previous question and the sample average turned out to be 15000 with the standard deviation

Let say you took the total sample finalized in the previous question and the sample average turned out to be 15000 with the standard deviation of 3500. Create the desired confidence interval for the population mean!

(Please note that minor differnces can exist due to rounding. If your answer is within plus minus 10, it should be ok. I would suggest for you to solve the problem first and then look for your answer.)

The desired confidence interval is: lower:14599 and upper: 15401

The desired confidence interval is: lower:14679 and upper: 15321

The desired confidence interval is: lower:14680 and upper: 15320

The desired confidence interval is: lower:14720 and upper: 15280

The desired confidence interval is: lower:148210 and upper: 1517

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