Respuesta :
"You use a computer program to randomly dial numbers in the phone book to respond to your poll about phone services" is the one among the following choices given in the question that is a good example of a representative sample. The correct option among all the options that are given in the question is the third option.
The answer that is a good example of a representative sample is when you use a computer program to randomly dial numbers in the phone book to respond to your poll about phone services.