Question
A software company is interested in improving customer satisfaction rate from the 60% currently claimed. The company sponsored a survey of 270 customers and found
A software company is interested in improving customer satisfaction rate from the 60% currently claimed. The company sponsored a survey of 270 customers and found that 172 customers were satisfied.
What is the test statistic z?
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Prealgebra And Algebra
Authors: Margaret L Lial, Diana L Hestwood, John E Hornsby, Terry McGinnis
4th Edition
0321854837, 9780321854834
