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ALLENGE TIVITY 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 65% currently claimed. The company sponsored a survey of 174 customers and found that 123 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