b please Let n1=80​, X1=60​, n2=80​, and X2=70. Complete parts​ (a) and​ (b) below.       a. At the 0.01 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. H0: π1≥π2 H1: π1<π2   B. H0: π1≤π2 H1: π1>π2   C. H0: π1=π2 H1: π1≠π2 Your answer is correct.   D. H0: π1≠π2 H1: π1=π2 Calculate the test​ statistic, ZSTAT​, based on the difference p1−p2.   The test​ statistic, ZSTAT​, is negative 2.03−2.03. ​(Type an integer or a decimal. Round to two decimal places as​ needed.) Calculate the​ p-value.   The​ p-value is 0.0430.043. ​(Type an integer or a decimal. Round to three decimal places as​ needed.) Determine a conclusion. Choose the correct answer below.   Do not reject   the null hypothesis. There is insufficient   evidence to support the claim that there is a significant difference between the two population proportions. b. Construct a 99​% confidence interval estimate of the difference between the two population proportions.   enter your response here≤π1−π2≤enter your response here ​(Type integers or decimals. Round to four decimal places as​ needed.)

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