CHALLENGE ACTIVITY 7.1.3: Hypothesis test for a population proportion. Jump to level 1 An airline company is interested in improving customer satisfaction rate from the 70% currently claimed. The company sponsored a survey of 157 customers and found that 118 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 2? Ex: 1233 Round z to two decimal places. What is the p-value? Ex: 0.456 2 Round the p-value to three decimal places. Does sufficient evidence exist that the customer satisfaction rate is different than the claim by the company at a significance level of & = 0.1? Select