The General Accounting Office conducted random testing of retail gasoline pumps in Michigan, Missouri, Oregon, and Tennessee. The study concluded that 49 percent of gasoline pumps nationwide are mislabeled by more than one-half of an octane point. What kind of sampling technique was most likely to have been used in this study? a. Cluster sampling b. Judgment sampling c. Convenience sampling

Suppose that the u. s. dollars-mexican pesos exchange rate is fixed by the u. s. and mexican governments. assume also that labor is mobile between the united states and mexico due to low transportation costs. which of the following situations is likely to happen as a result of a simultaneous increase in the demand for u. s. goods and decrease in the demand for mexican goods? (pick mexican unemployment rate increases, and the country undergoes bad economic times for a sustained u. s. unemployment rate increases, and the country undergoes bad economic times for a sustained mexican unemployment rate rises at first, but it soon drops as unemployed mexicans move to the united states for mexican unemployment rate rises at first, but then it drops as mexican pesos depreciate against u. s. dollars.