est Let n = 80, X-50, 12 -80, and X2 = 40 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. A OA. Ho the H152 oc. Ho a 232 11 12 8. H 1512 H m2 OD Hg 732 Hinta Calculate the test statistic ZSTAT based on the difference P P2 The best statistic ZStar (Type an integer or a decimal Round to two decimal places as needed) Calculate the pvalue 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 full 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 (Type Integers or decimals Round to four decimal places as needed)