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An airline company is interested in improving customer satisfaction rate from the 74 %currently claimed. The company sponsored a survey of 251customers and found that

An airline company is interested in improving customer satisfaction rate from the 74

%currently claimed. The company sponsored a survey of 251customers and found that 195

customers were satisfied.

1)What is the test statistic z?

2)What is the p-value?

3)Does sufficient evidence exist that the customer satisfaction rate is higher than the claim by the company at a significance level of =0.05? (yes or no)

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