A car-rental company is interested in the amount of time its vehicles are out of operation for repair work. State all assumptions and find a 98% confidence interval for the mean number of days in a year that all vehicles in the company's fleet are out of operation if a random sample of 10 cars showed the following number of days that each had been inoperative. 16 13 23 26 18 15 20 14 12 7 State all assumptions. Select all the assumptions below. O A. The sample size is at least 30 O B. It is a random sample O c. The variance is less than the mean O D. The sample comes from a normal population

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Comparative Advantage and Absolute Advantage Analysis

The theory of absolute advantage was given by Adam Smith in the year 1776.