Let n, = 40, X, = 10, n, = 40, and X, = 30. Complete parts (a) and (b) below. ... a. At the 0.05 level of significance, is there evidence of a significant difference between the two population proportions? Determine the null and alternative hypotheses. Choose the correct answer below. O B. Ho: 22 O A. Ho: =R2 H,:エ,チパ2 OC. Ho: , #12 H,: =12 O D. Ho: S H:ネ2 Calculate the test statistic, ZSTAT, based on the difference p, - P2- The test statistic, ZSTAT, is Type an integer or a decimal. Round to two decimal places as needed.)

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