CHALLENGE ACTIVITY 7.1.3: Hypothesis test for a population proportion. 359672.2299034.qx3zqy7 V Jump to level 1 1 An airline company is interested in improving customer satisfaction rate from the 69% currently claimed. 2 The company sponsored a survey of 259 customers and found that 187 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 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 No Yes 2 3 Check Next