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the results of a poll indicate that between 33% and 37% of the population of a town visit the library at least once a year. what is the polls margin of error?

Sagot :

The margin of error is ±2%

What is Margin error?

A margin of error is a statistical measurement that accounts for the difference between actual and projected results in a random survey sample.

Let x be margin of error and y be the percentages of the population.  

So,

y-x =33%

y +x = 37%

Solving above equations

2y= 70

y= 35%

and x= 2%

Hence, the margin of error is ±2%.

Learn more about this concept here:

https://brainly.com/question/11421935

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