Question: A software company is interested in improving customer satisfaction rate from the 71% currently claimed. The company sponsored a survey of 213 customers and found

A software company is interested in improving customer satisfaction rate from

the 71% currently claimed. The company sponsored a survey of 213 customers

A software company is interested in improving customer satisfaction rate from the 71% currently claimed. The company sponsored a survey of 213 customers and found that 160 customers were satisfied. What is the test statistic z? Ex: 1.23

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