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Please help with the below. An airline company is interested in improving customer satisfaction rate from the55% currently claimed. The company sponsored a survey of183

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Please help with the below.

An airline company is interested in improving customer satisfaction rate from the55% currently claimed. The company sponsored a survey of183 customers and found that109 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?

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