Companies that sell groceries over the internet are called e-groceries. Customers enter orders, pay by credit card, and receive goods by truck. A potential electronic grocer analyzed the market and determined that to be profitable, the average order would have to exceed $85. To determine if an e-grocery store is profitable in a large city, the service is provided to a random sample of customers and the size of the orders is recorded. From these data, can we infer that an e-grocery store will be profitable in this city? Sample statistics: X = 89.27, s = 17.30, n = 85, a = 0.05

Suppose that a worker in agland can produce either 10 units of organic grain or 2 units of incense per year, and a worker in zenland can produce either 5 units of organic grain or 15 units of incense per year. there are 20 workers in agland and 10 workers in zenland. currently the two countries do not trade. agland produces and consumes 100 units of grain and 20 units of incense per year. zenland produces and consumes 50 units of grain and no incense per year. if each country made the decision to specialize in producing the good in which it has a comparative advantage, then the combined yearly output of the two countries would increase by a. 30 units of grain and 100 units of incense. b. 30 units of grain and 150 units of incense. c. 50 units of grain and 90 units of incense. d. 50 units of grain and 130 units of ince

Fractional reserve banking which of the following statements about fractional reserve banking are correct? check all that apply. fractional reserve banking allows banks to create money through the lending process. fractional reserve banking does not allow banks to hold excess reserves. fractional reserve banking allows banks to create additional wealth by lending some reserves. fractional reserve banking relies on everyone not withdrawing their money at the same time.

Label each of the following statements true, false, or uncertain. explain your choice carefully. a. workers benefit equally from the process of creative destruction. b. in the past two decades, the real wages of low-skill u.s. workers have declined relative to the real wages of high-skill workers. c. technological progress leads to a decrease in employment if, and only if, the increase in output is smaller than the increase in productivity. d. the apparent decrease in the natural rate of unemployment in the united states in the second-half of the 1990s can be explained by the fact that productivity growth was unexpectedly high during that period.