A company hopes to improve customer satisfaction, setting as a goal no more than 5% negative comments.
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 95% confidence interval for the true level of dissatisfaction among customers.
b) Does this provide evidence that the company has reached its goal? Using your confidence interval, 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 successes is 10 borderline satisfies ...View the full answer
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Related Book For
Business Statistics
ISBN: 9780133899122
3rd Canadian Edition
Authors: Norean D. Sharpe, Richard D. De Veaux, Paul F. Velleman, David Wright
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