In a survey,
150
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.
e-mail account no e-mail account
computer access at home
44
19
no computer access at home
10
77
(a) what percentage of the shoppers have an e-mail account?
(b) what percentage of the shoppers do not have computer access at home?

a). 36%

b). 58%

Step-by-step explanation:

From the given table in the question,

Total number of the shoppers who were surveyed = 150

a). Number of shoppers who have an e-mail account = Shoppers who have email accounts and computer access at home + Shoppers who have email accounts but no computer access at home

= 44 + 10

= 54

Percentage of the shoppers having an e-mail account = %

b). Total number of shoppers who do not have computer access at home

= 10 + 77

= 87

Percentage of the shoppers having computer access at home =

=

= 58%

it's both, now can you answer my most recent question?

n=9

step-by-step explanation:

7 times a number = 7n

decreased by 13 = 7n-13

same as is =

5 times the number = 5n

increased by 5 = 5n+5

7n-13 = 5n+5

2n=18

n=9