Explore IDNLearn.com's extensive Q&A database and find the answers you're looking for. Join our interactive Q&A community and get reliable, detailed answers from experienced professionals across a variety of topics.

A 2015 survey by the national center for health statistics found that ​% of adults ages 2529 had only a cell phone and no landline. This raises concerns about the accuracy of certain​ surveys, as they depend on​ random-digit dialing to households via landlines. Researchers randomly select 25​29-year-olds. Complete parts a through c.

Sagot :