CHALLENGE ACTIVITY 7.1.3: Hypothesis test for a population proportion. 377112 2338738 qx3zay7 Jump to level 1 An airline company is interested in improving customer satisfaction rate from the 57% currently claimed. The company sponsored a survey of 286 customers and found that 175 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: 1.23 + What is the p-value? Ex: 0.456 Does sufficient evidence exist that the customer satisfaction rate is different than the claim by the company at a significance level of a = 0.01? Select v