If the margin of error for the survey was 3.5 percentage points with confidence. What this means is: There is 85% confidence that the proportion of the adult citizens of the nation that dreaded Valentine's Day is between 0.205 and 0.275.
Using this formula
Confidence interval= Population proportion ± Margin of error
Where:
Population proportion=24%
Margin of error=3.5%
Let plug in the formula
Confidence interval=(24%-3.5%), (24%+3.5%)
Confidence interval=0.205, 0.275
Therefore If the margin of error for the survey was 3.5 percentage points with confidence. What this means is: There is 85% confidence that the proportion of the adult citizens of the nation that dreaded Valentine's Day is between 0.205 and 0.275.
Learn more about Confidence interval here: https://brainly.com/question/16399589
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