Are MBA students from Group A more likely to begin their careers as entrepreneurs than MBA students from Group B? This was a question of interest to a certain admission council who published the results of a survey of MBA alumni. Of the 1,337 students from Group A who responded to the survey, 209 reported their employment status after graduation as self-employed or a small business owner. Of the

7,106 students from Group B who responded to the survey,

356 reported their employment status after graduation as self-employed or a small business owner. Use this information to answer the research question, where =0.05.

Find the z test statistic