17 Racial profiling and traffic stops. The Denver Police De- partment wants to know if Hispanic residents of Denver believe that the police use racial profiling when making traffic stops. A sociologist prepares several questions about the police. The police department chooses an SRS of 200 mailing addresses in predominantly Hispanic neighbor- hoods and sends a uniformed Hispanic police officer to each address to ask the questions of an adult living there. (a) What are the population and the sample?