4. (4 marks}The American General Social Survey gathers demographic and social data on a small area of U.S. . A researcher wants to know if there is an association between health insurance coverage and race/ethnicity. The researcher obtains the data from the General Social Survey and summarises the results in a cross tabulation. Show all your workings and round your answer to three decimal places (if it is needed). Health Insurance RacelEthnicit Coverage Other YES 15 NO 12 a} At the 5% significance level, conduct the hypothesis testing whether there is an association between health insurance coverage and race/ethnicity. (3 marks) b) At the 10% signicance level, would we expect the p-value to be greater, less than, or equal to .10? State the conclusion relating with the given scenario. Clearly explain your answer. (1 mark)