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If you are creating a poll to see if students are for longer breaks between campus...

If you are creating a poll to see if students are for longer breaks between campus to travel to classes and you wish to have a 95% confidence level and a 2% margin of error, how many students will you need to poll?

Suppose the results of a poll of 2800 Americans have candidate A with a 38% approval rating and candidate B with a 34% approval rating.   

What is the margin of error? (list as a percentage rounded to one decimal)

Is there a clear leader?

Math   Statistics-And-Probability   
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