A farmer who only sells produce to local residents in his town wishes to expand to a neighboring city. The farmer calls everyone in the phone book with a last name starting with "S" in the neighboring city and asks them if they would be interested in buying the produce. 242 told the farmer that they would be interested, 576 said they would not be interested and 138 refused to answer. Which statement is true? The survey sample is residents of the neighboring city with a last name starting with ”S” and whose phone number is listed in the phone book.

The population of the survey is the 242 that said they would be interested.

The population of the survey is all residents of the neighboring city whose phone number is listed.

The survey sample includes current customers.