Police Chief Dannie Wilkin of River City reports 500 traffic citations were issued last month. A sample
Question:
Police Chief Dannie Wilkin of River City reports 500 traffic citations were issued last month. A sample of 35 of these citations showed the mean amount of the fine was $54, with a standard deviation of $4.50.
a. What is the margin of error for a 95% confidence interval for the population mean?
b. What is the 95% confidence interval for the population mean?
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a b 50035 149 450 3...View the full answer
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Related Book For 
Statistical Techniques In Business And Economics
ISBN: 9781265779696
19th Edition
Authors: Douglas Lind, William Marchal, Samuel Wathen
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