CHALLENGE ACTIVITY 6.3.1: Hypothesis test for a population proportion. 366676. 1997634.qx3zqy7 V Jump to level 1 1 An airline company is interested in improving customer satisfaction rate from the 70% currently claimed. 2 The company sponsored a survey of 107 customers and found that 81 customers were satisfied. Determine whether sufficient evidence exists that the customer satisfaction rate is higher than the claim by the 3 company 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 = 0.1? Select v 2 Check Next