Identify the sampling designs that use convenience sampling. Check all that apply.
A restaurant surveys all its breakfast customers about meal quality.
An online poll is conducted with high school students about the use of technology in the classroom.
A company that produces natural food flavorings conducts taste tests with all its employees.
A radio show requests listeners call in to vote on the outcome of a local election.
A museum puts an online survey code on each ticket sold to gather information about satisfaction with exhibits.
A veterinarian collects information from his or her clients about dog food brand preferences.