at the beginning of a call to the cable company, a message tells customers, after you finish talking to our…

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 received. it would be appreciated if you could please stay on the line to answer the survey questions. what type of sampling is the cable company using?\no systematic random sampling\no voluntary sampling\no cluster sampling\no convenience sampling
Answer
Brief Explanations:
Voluntary sampling occurs when individuals can choose on their own - whether or not to participate in a survey. Here, customers are asked to stay on the line to answer survey questions, meaning participation is up to their own will.
Answer:
voluntary sampling