CHALLENGE ACTIVITY 5.6.3: Hypothesis test for a population proportion. 387508.2528696.qx3zqy7 Jump to level 1 W N - K An airline company is interested in improving customer satisfaction rate from the 75% currently claimed. The company sponsored a survey of 251 customers and found that 198 customers were satisfied. What is the test statistic z? Ex: 2.22@ What is the p-value? Ex: 0.123@ Does sufficient evidence exist that the customer satisfaction rate is higher than the claim by the company at a significance level of a = 0.01? Select + 3 Check Next Feedback? CHALLENGE ACTIVITY 5.6.4: Excel: Hypothesis test for a population proportion. V Click this link to download the spreadsheet for use in this activity. 387508.2528696.qx3zqy7 v Jump to level 1