In a survey 250 shoppers were asked whether they have access to a computer at home and if they have a personal email account. Their responses are summarized in the following table. E-Mail account No e-mail account Computer access at home 73 22 No computer access at home 17 148 (a) What percentage of the shoppers have an e-mail account? (b) What percentage of the shoppers do not have computer access at home?