CHALLENGE ACTIVITY 6.3.1: Hypothesis test for a population proportion. 361666.1905872.qx3zqy7 Jump to level 1 An airline company is interested in improving customer satisfaction rate from the 78% currently claimed. The company sponsored a survey of 242 customers and found that 196 customers were satisfied. Determine whether sufficient evidence exists that the customer satisfaction rate is higher than the claim by 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 v 2