When goods are produced privately, but the cost of their purchase is paid for by the taxpayer or some other third party, a. consumers have a strong incentive to search out those firms offering them the best deal. b. private producers of such goods will have little incentive to control costs and provide them at low prices. c. goods and services will only be supplied if consumers are willing to pay an amount sufficient to cover their production costs. d. the invisible hand will direct consumers and producers toward an efficient level of output.

Suppose you want to know if more technical service calls are made to homes with cable television or with satellite dish television. should you use frequencies or relative frequencies to make the comparison? why?

The law of demand is the assertion that ?

Alarge university wanted to study the relationship between completing an internship during college and students' future earning potential. prom the same graduating class, they selected a random sample of 80 students who completed an internship and 100 students who did not complete an internship and examined their salaries five years after graduation. they found that there was a statistically higher mean salary for the internship group than for the noninternship group. which of the following interpretations is the most appropriate? a. there could be a confounding variable, such as student major, that explains the difference in mean salary between the internship and no internship groups. b. we cannot infer anything from these data since the distribution of salaries is likely right skewed. c. you cannot draw any valid conclusions because the sample sizes are different. d. more students should complete internships because having an internship produces a higher salary.