For each scenario, decide whether random samples are being selected. If they are, decide whether they are simple, systematic, cluster, or stratified random samples. Select the correct answer from the options given. a. A newspaper asks its readers to answer an online poll about proposed zoning changes in their city. cluster sample simple random sample systematic random sample stratified sample not a random sample b. An electronics retailer uses a computer to randomly select customers in its rewards club to take a survey about their interest in a new product. simple random sample systematic random sample cluster sample stratified sample not a random sample c. The student affairs office at a university wants to make sure students who live on campus are satisfied with their access to laundry facilities. They select five students at random from each residence hall to take the survey. cluster sample systematic random sample simple random sample stratified sample not a random sample