______ ________r____ Show all your work. Indicate clearly the methods you use, because you will be graded on the correctness of your methods as well as on the accuracy and completeness of your results and explanations. 11. Economists often track employment trends by measuring the proportion of people who are \"underemployed.\" meaning they are either unemployed or would like to work full time but are only working part-time. In the summer of 2013, 17.6% of Americans were \"underemployed.\" The mayor of Thicksburg wants to show the voters that the situation is not as bad in his town as it is in the rest of the country. His sta' takes a simple random sample of 300 Thicksburg residents and nds that 45 of them are underemployed. (a) Do the data give convincing evidence that the proportion of underemployed in Thicksburg is lower than elsewhere in the country? Support your answer with a signicance test