The Pew Internet Project survey of 2,253 American adults (data extracted from pewinternet.org/Commentary/2012/ February/Pew InternetMobUe) found the

Question:

The Pew Internet Project survey of 2,253 American adults (data extracted from pewinternet.org/Commentary/2012/ February/Pew InternetMobUe) found the following: 1,983 have a cell phone 1,307 have a desktop computer 1,374 have a laptop computer 406 have an eBook reader 406 have a tablet computer
a. Construct 95% confidence interval estimates for the population proportion of the electronic devices adults own.
b. What conclusions can you reach concerning what electronic devices adults have?