A software company is interested in improving customer satisfaction rate from the 78% currently claimed. The company sponsored a survey of 132 customers and found that 108 customers were satisfied. What is the test statistic z? Ex: 2.22
A software company is interested in improving customer satisfaction rate from the 78% currently claimed. The company sponsored a survey of 132 customers and found that 108 customers were satisfied. What is the test statistic z? Ex: 2.22
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 30PPS
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