O Menu X zy Section 7.1 - MAT 240: App X + X > =zyBooks My library > MAT 240: Applied Statistics home > 7.1: Hypothesis test for a population proportion zyBooks catalog Help/FAQ Feedback? CHALLENGE ACTIVITY 7.1.3: Hypothesis test for a population proportion. 387962.2528628.qx3zay7 Jump to level 1 A software company is interested in improving customer satisfaction rate from the 53% currently claimed. The company sponsored a survey of 274 customers and found that 158 customers were satisfied. What is the test statistic z? EX: 1.23 0 1 2 3 Check Next Feedback? CHALLENGE 71 11:27 AM W E: O 4/11/2022