A young entrepreneur from Rockford, IL wants to see if there is enough interest for a farmhouse home décor store. From a list of all residential addresses in Rockford, she selects a simple random sample of 100 addresses and mails a brief questionnaire to each. The population of interest is
(A) all adults in Rockford, IL
(B) all residential addresses in Rockford, IL
(C) the 100 addresses to which the survey was mailed
(D) home décor stores
(E) all adults