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An airline company is interested in improving customer satisfaction rate from the 60% currently claimed. The company sponsored a survey of 172 customers and found

An airline company is interested in improving customer satisfaction rate from the 60%

currently claimed. The company sponsored a survey of 172

customers and found that 116

customers were satisfied.

What is the test statistic z

What is the p

-value?

Does sufficient evidence exist that the customer satisfaction rate is higher than the claim by the company at a significance level of =0.1

Select

Yes

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