A phone company surveyed their customers using a large random sample. They found that 82% of customers aged 18 to 46 were willing to pay an extra $5 per month for service and that 62% of customers over the age of 46 were willing to pay an extra $5 per month for service.


What can be concluded about this survey?


Select from the drop-down menus to correctly complete the sentence.


This survey was

choose biased, not biased

and

choose can cannot

be extended to the general population of the phone company's customers.