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A home improvement company is interested in whether the customer satisfaction rate is different from the 70% currently claimed. The company sponsored a survey of

A home improvement company is interested in whether the customer satisfaction rate is different from the 70% currently claimed. The company sponsored a survey of 297 customers and found that 219 customers were satisfied.

What is the test statistic z?

What is the p-value?

Does sufficient evidence exist that the customer satisfaction rate is different than the claim by the company at a significance level of = 0.05?

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