In a poll of voters in a certain city, 32% said that they backed a bill which would limit growth and development in their city. The margin of error was reported as 1.7% with 90% confidence.
Determine the bounds for the confidence interval.
A) (88.3%, 91.7%)
B) (30%, 34%)
C) (30.7%, 32.7%)
D) (30.3%, 33.7%)
E) There is not enough information to determine the margin of error.
I have no idea on how to answer this?