Suppose you want to estimate the proportion of cars that are sport utility vehicles (SUVs) being driven
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Suppose you want to estimate the proportion of cars that are sport utility vehicles (SUVs) being driven in Kansas City, Missouri, at rush hour by standing on the corner of I-70 and I-470 and counting SUVs. You believe the figure is no higher than .40.Ifyou want the error of the confidence interval to be no greater than .03, how many cars should you randomly sample? Use a 90% level of confidence.
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Related Book For
Business Statistics For Contemporary Decision Making
ISBN: 978-1118749647
8th edition
Authors: Black Ken
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