A software company is interested in improving customer satisfaction rate from the 54% currently claimed. The company sponsored a survey of 223 customers and found that 134 customers were satisfied. What is the test statistic z? Round z to two decimal plac
Added by Tracy H.
Step 1
- Null hypothesis (H0): The true proportion of satisfied customers is 54% (p = 0.54). - Alternative hypothesis (H1): The true proportion of satisfied customers is greater than 54% (p > 0.54). Show more…
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