In a sample of 275 Baylor students, 55% predicted the Baylor men’s basketball team would make the Sweet 16. In a sample of 225 Waco citizens, 48% predicted the Baylor men’s basketball team would make the Sweet 16. State a research and null hypothesis. What is the obtained Z- or t- statistic for the difference in proportions? Do Baylor students and Waco citizens differ with an alpha of .05 (two tailed test)? What about .01 (two-tailed test)?