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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 tablebelow.

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 Tablebelow class=

Sagot :

a)what percentage of the people smoke:

To find this we use the next formula:

% people who smoke = (number of people who smoke/total of people surveyed) *100

Where:

Number of people who smoke = 6+18 = 24

Total of people surveyed = 6+18+16+60 = 100

Replacing on the formula:

% people who smoke = (24/100)*100

Then:

% people who smoke = 24%

b)What percentage of the people do not exercise regularly:

We need to use the next formula:

% people who do not exercise regularly = ( number of people who do not exercise regularly/ total of people surveyed) * 100

Where:

Number of people who do not exercise regularly = 18 + 60 = 78

Replacing on the formula:

% people who do not exercise regularly = ( 78/100)*100

% people who do not exercise regularly = 78%

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