Need question B with explanation please. Thank you.

Homework: Section 11.1 Homework Question 4, 11.1.11 HW Score: 70%, 7 of 10 points Part 2 of 4 X Points: 0 of 1 Conduct the following test at the a = 0.01 level of significance by determining (a) the null and alternative hypotheses, (b) the test statistic, and (c) the critical value. Assume that the sa obtained independently using simple random sampling Test whether p1 # P2. Sample data are X1 = 28, n, = 255, X2 = 38 and n2 = 301. . . .. . O Ho: P1 = P2 versus H1 : P1 > P2 Ho: P1 = P2 versus H1 : P1 # P2 O Ho: P1 = P2 versus H1: P1 = P2 (b) The test statistic zo is . (Round to two decimal places as needed.)