Steven is running for mayor of a medium-sized town in Western Massachusetts named Chicopee. To gauge the course of the race, a local newspaper conducts a poll of 400randomly chosen voters in the town. Of the 400respondents, 220of them support Steven while the remaining 180support her opponent.

Construct a 95% confidence interval for the true population proportion that supports Steven (Assume the town contains at least 4000eligible voters.)

looking for upper and lower bound

Note: Round to the nearest hundredth.