ST. LAWRENCE JEFFERSON ISSUE COUNT PERCENT

Coronavirus 74 21.3% Health care 49 11.8% Jobs and the Economy 180 38.7% Race and Ethnic Inequality 82 15.0% Violent Crime 78 13.2% TOTAL 463 100.0%

1. Use the information from the table to test whether 15% of adults in St. Lawrence County identified Race and Ethnic Inequality as the largest issue (as was the case in Jefferson County). Use = 0.05
2. Use the summary statistics above to test whether the opinions about the five issues for St. Lawrence County adults is the same as the distribution for Jefferson County. You need to simultaneously test all 5 responses; do not run five separate tests.Use = 0.05.
3. Determine a 95% confidence interval estimate for the percentage of adults in St. Lawrence County who believed Jobs and the Economy was the largest issue facing the nation in 2021. Write the corresponding confidence statement for this interval.
4. How large of a sample would be needed to estimate the percentage of St. Lawrence County adults identifying any one of the five issues posed with a margin of error of 2.5%. NOTE: Since a specific issue is not given here, you do not have an estimate for the percentage.