Be careful of people putting links as the answers. They arent good links. They can track your data. This is one of the people who spam the link. If you put out a question recently you probably got it. Don’t go on the link, This is their account name. Be careful.

At the beginning of a call to the cable company, a message tells customers, "after you finish talking to our customer service representative, you will be asked to take a five-question survey about the level of service you recieved. it would be appreciated if you could stay on the line to answer the survey questions." what type of sampling is the cable company using?