Payment Schedule - Account X / Gradebook X zy Section 6.3 - QNT/275T: Statis x C Chegg Search * > course hero - Search *Browse All Subjects - Course | x + X CA https://learn.zybooks.com/zybook/ONT_275T_55318202/chapter/6/section/3 G S Bookmarks b Suggested Sites Imported From IE | Other favorites =zyBooks My library > QNT/275T: Statistics for Decision Making home > 6.3: Hypothesis test for a population proportion zyBooks catalog ? Help/FAQ @ Bill Mccarthy CHALLENGE ACTIVITY 6.3.1: Hypothesis test for a population proportion. 380506.1429276.qx3zqy7 Jump to level 1 A software company is interested in improving customer satisfaction rate from the 57% currently claimed. " " 0 - 0 The company sponsored a survey of 241 customers and found that 146 customers were satisfied. What is the test statistic z? Ex: 2.22 1 2 3 Check Next Feedback? References (*1) Grech, Victor, et al. "Unexplained differences in sex ratios at birth in Europe and North America." BMJ, 324(7344), 27 April 2002, 9:55 AM 2/9/2022 7