Question

In a survey, 100 people were asked if they smoke and whether or not they exercise regularly (more than twice a week). The results are summarized in the tablebelowExercise regularlyDo not exerciseregularlySmoke Do not smoke41519 62(a) what percentage of the people exercise regularly?(b) What percentage of the people smoke?I don’t understand

Answer 1

Step 1

A) The total of people in the survey=100

The number of people that exercise regularly is = 4+15=19

Percentage of people that exercise regularly is given as;

$\frac{19}{100}\times100=19\%$

Step 2

The number of people who smoke=4+19=23

$\frac{23}{100}\times100=23\%$

Answers;

$\begin{gathered} a)19\% \\ b)23\% \end{gathered}$