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(6 points) A news article reports that "Americans have differing views on two potentially inconvenient and invasive practices that airports could implement to uncover potential terrorist attacks. " This news piece was based on a survey conducted among a random sample of 1180 adults nationwide, interviewed by telephone November 7-10, 2010, where one of the questions on the survey was "Some airports are now using 'full-body digital x-ray machines to electronically screen passengers in airport security lines. Do you think these new x-ray machines should or should not be used at airports?" Below is a summary of responses based on party affiliation. Republican Democrat Independent Total Should 274 311 365 950 Should not 39 57 79 175 Don't know/No answer 16 16 23 55 Total 329 384 467 1 180 We want to test to determine if party affiliation and opinion are independent using the hypotheses: H0 : Party affiliation and opinion are independent H A : Party affiliation and opinion are not independent Round a|| numeric answers to four decimal places. 1. What is the expected value for the number of Republicans who think x-ray machines should be used at airports? 2. Calculate the test statistic for this hypothesis test. 7 v = 3. Calculate the degrees of freedom for this test. 4. Calculate the p-value for this hypothesis test. 5. Based on the p-value, we have: 0 A. extremely strong evidence 0 B. strong evidence 0 C. little evidence 0 D. some evidence 0 E. very strong evidence that the null model is not a good fit for our observed data