Let ny = 80, X1 = 50, n2 = 80, and X2 = 70. Complete parts (a) and (b) below. ... a. At the 0.05 level of significance,

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Let Ny 80 X1 50 N2 80 And X2 70 Complete Parts A And B Below A At The 0 05 Level Of Significance 1 (34.27 KiB) Viewed 22 times

Let ny = 80, X1 = 50, n2 = 80, and X2 = 70. 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 A. Ho: 112 Hy : T1 = 12 Ос. Но п 2 2 H₂ : Tq <tz OB. Ho: 14 = 12 на: лh #2 OD. Ho: 14 ST2 Hp : Tg > the Calculate the test statistic, ZSTAT, based on the difference P1-P2 The test statistic, ZSTAT, is (Type an integer or a decimal. Round to two decimal places as needed.) Calculate the p-value. The p-value is (Type an integer or a decimal. Round to three decimal places as needed.) Determine a conclusion. Choose the correct answer below. the null hypothesis. There is evidence to support the claim that there is a significant difference between the two population proportions. b. Construct a 95% confidence interval estimate of the difference between the two population proportions. Os11-12-0 (Type integers or decimals. Round to four decimal places as needed.)