In a survey, 150 people were asked if they smoke and whether or not they exercise regularly (more than twice a week). The result
s are summarized in the table below.
1 answer:
(a) 28%
(b) 24%
When calculating the total amount of people it come out to 150.
According to the table 42 people smoke. 42/150 is 28%
According to the table 36 people exercise regularly. 36/150 is 24%
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