Let denote the hourly wage for workers who provide hotel room service in a large city.
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Question:
Let µ denote the hourly wage for workers who provide hotel room service in a large city. A 95% confidence interval for µ based on a large sample of workers, assuming the wages to have a normal distribution with a known standard deviation, is from $9.50 to $10.90. Use this information for this question and the next one.
Based on this information, a 90% confidence interval for µ based on this sample (rounded to the nearest $0.10, e. g. 9.46 is 9.50, 9.44 is 9.40, 9.55 is 9.60) is:_____________________________________.
Related Book For
The Essentials of Statistics A Tool for Social Research
ISBN: 978-1111829568
3rd edition
Authors: Joseph F. Healey
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