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An airline company is interested in improving customer satisfaction rate from the 55% currently claimed. The company sponsored a survey of 148 customers and found

An airline company is interested in improving customer satisfaction rate from the 55% currently claimed. The company sponsored a survey of 148 customers and found that 88

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

What is the

-value?

Does sufficient evidence exist that the customer satisfaction rate is different than the claim by the company at a significance level of

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