1.80 The 2001 National Aging Research Survey revealed that Americans have great expectations on living long, healthy, and independent lives. The X and Y generations, ages 18 to 36 years, are the most desirous of living to 100. Of this age group, 69% reported that they would like to live to be 100 years old. The sampling method used for collecting this information was random digit dialing

(RDD). This RDD method gives every telephoneequipped household in the United States an equal chance of being contacted. RDD is a popular survey tool. Use the Internet to search for information and write a 100-word explanation of how it works.