A company hopes to improve customer satisfaction, setting as a goal no more than 5 % negative
Question:
A company hopes to improve customer satisfaction, setting as a goal no more than 5 % negative comments. A random survey of 350 customers found only 10 with complaints.
a) Create a 90% confidence interval for the true level of dissatisfaction among customers.
b) Test an appropriate hypothesis and state your conclusion.
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a The sample is a SRS 350 10 of all workers the number of succe...View the full answer
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Related Book For 
Business Statistics
ISBN: 9780321925831
3rd Edition
Authors: Norean Sharpe, Richard Veaux, Paul Velleman
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