答案和详解如下: Q4. Given the following information for a country, what is the labor force participation rate? Total civilian population 16 and over  | 210  |  Those not in the labor force  | 50  |  Unemployed  | 8  |  Employed  | 152  |  
 A)   72%. B)   95%. C)   76%. Correct answer is C) Labor force participation rate = (# of persons 16 or older who are employed or seeking employment) / (civilian population 16 or older) Labor force participation rate = (8 + 152) / 210 = 76%.  |