Account Overview - Acc X Gradebook X zy Section 6.3 - ONT/275T X course hero log in - Sea X Course Hero * > nals login - Search * ) Speaker Broadcast * + X C n & https://learn.zybooks.com/zybook/QNT_275T_55318202/chapter/6/section/3 G Bookmarks b Suggested Sites Imported From IE eCampus: Login N Netflix ( 18"(3 ) Imported From IE (2) New Tab G Google R* Getsmarter.com -.. [Imported From IE (3) Raymour and Flani. > | 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.qx3zay7 Jump to level 1 A software company is interested in improving customer satisfaction rate from the 65% currently claimed. The company sponsored a survey of 175 customers and found that 121 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, www.ncbi.nim.nih.gov/pmc/articles/PMC102777/ 2:28 PM 2/14/2022 11