Question: The following quotes for cleaning cost have been obtained from a random simple of 12 providers chosen from a much larger population, prior to awarding a contract for these services:

$114, 154, 142, 132, 127, 145, 135, 138, 126, 142, 135, 124

1. Approximately how far is the average of these 12 quotes from the unknown mean for the entire population of providers
2. Find the 95% confidence interval for the population mean quote
3. Find the 99% confidence interval for the population mean quote
4. Find the one sided 95% confidence interval that claims that the population mean quote is no larger tan some value.
5. Find the one sided 99% confidence interval that claims that the population mean quote is no larger tan some value.

Price: $2.99

Solution: The downloadable solution consists of 3 pages
Deliverable: Word Document