An airline company is interested in improving customer satisfaction rate from the 70% currently claimed. The company sponsored a survey of 278 customers and found that 207 customers were satised. 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: \"I23 3 What is the pvalue? 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 or = 0.1