Construct a 95% confidence interval for the proportion

of adults from the East who say traffic congestion is a serious problem.

The 95% confidence interval for the proportion of adults from the East who say traffic congestion is a serious problem is (___,___).

(Round to three decimal places asneeded.)

Percentages for the regions are,

East 36%

South 32%

Midwest 28%

West 57%

Complete both part A and B

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