in a survey, 250 shoppers were asked whether they have access to a computer at home and if they have a…

in a survey, 250 shoppers were asked whether they have access to a computer at home and if they have a personal e - mail account. their responses are summarized in the following table.\n| | e - mail account | no e - mail account |\n|--|--|--|\n| computer access at home | 73 | 17 |\n| no computer access at home | 27 | 133 |\n(a) what percentage of the shoppers do not have an e - mail account?\n(b) what percentage of the shoppers do not have computer access at home?
Answer
Explanation:
Step1: Calculate total shoppers without e - mail account
The number of shoppers without an e - mail account is $17 + 133=150$.
Step2: Calculate percentage of shoppers without e - mail account
The total number of shoppers is $250$. The percentage is $\frac{150}{250}\times100%$. $\frac{150}{250}\times100% = 60%$.
Step3: Calculate total shoppers without computer access at home
The number of shoppers without computer access at home is $27+133 = 160$.
Step4: Calculate percentage of shoppers without computer access at home
The percentage is $\frac{160}{250}\times100%$. $\frac{160}{250}\times100%=64%$.
Answer:
(a) 60% (b) 64%