Question: An environmental group at a local college is conducting independent tests to determine the distance a particular make of automobile will travel while consuming only 1 gallon of gas. A sample of five cars is tested and a mean of 28.2 miles is obtained. Assuming that the standard deviation is 2.7 miles, find the 95% confidence interval for the mean distance traveled by all such cars using 1 gallon of gas.

1. [26.16 30.24]
2. [20.70 35.70]
3. [24.85 31.55]
4. [26.70 29.70]
5. [25.83 30.57]

Price: $2.99

Solution: The downloadable solution consists of 1 pages
Deliverable: Word Document