Feedback? CHALLENGE ACTIVITY 5.3.1: Hypothesis test for a population proportion. 402216.1927122.qx3zqy7 V Jump to level 1 1 An airline company is interested in improving customer satisfaction rate from the 51% currently claimed. 2 The company sponsored a survey of 275 customers and found that 152 customers were satisfied. Determine whether sufficient evidence exists that the customer satisfaction rate is higher than the claim by 3 the company. What is the test statistic z? Ex: 2.22 4 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 v 2 3 Check Next Feedback