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A sample of 563 people in the U.S. found 43% said NFL football is their favorite...

A sample of 563 people in the U.S. found 43% said NFL football is their favorite sport to watch on television.

What is the standard deviation for the percentage of people who favor watching NFL football?

What percentage chance could less than 50% of people feel the same way?

What percentage chance could more than 45% of people favor watching NFL football on television?

Math   Statistics-And-Probability   
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