Question: A software company is interested in improving customer satisfaction rate from the 62% currently claimed. The company sponsored a survey of 168 customers and found
A software company is interested in improving customer satisfaction rate from the 62% currently claimed. The company sponsored a survey of 168 customers and found that 114 customers were satisfied. p^=0.679 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 a=0.1
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