A home improvement company is interested in improving customer satisfaction rate from the 68% currently claimed. The company sponsored a survey of 231 customers and found that 168 customers were satisfied. Determine whether sufficient evidence exists that the customer satisfaction rate is different than the claim by the company. What is the test statistic z? Ex: 2.22 What is the p-value? Ex: 0.123 Does sufficient evidence exist that the customer satisfaction rate is different than the claim by the company at a significance level of ? = 0.1? Select
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- Null hypothesis (\(H_0\)): The customer satisfaction rate is 68%, or \( p = 0.68 \). - Alternative hypothesis (\(H_1\)): The customer satisfaction rate is different from 68%, or \( p \neq 0.68 \). Show more…
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