Question

A polling organization collects data about public opinion concerning a new park that city officials want to build in a historic neighborhood. The polling organization concludes that 56% of the public is in favor of building the park, with a margin of error of ±6. What are the actual possible percentages of the public that support building the new park?

Answer 1

you can add and subtract 6 to the 56% . so the possible percentages are between
56 - 6 = 50%
56 + 6 = 62%
between 50% and 62%