34. SUVs A survey is designed to estimate the proportion of sports utility vehicles (SUVs) being driven
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34. SUVs A survey is designed to estimate the proportion of sports utility vehicles (SUVs) being driven in the state of California. A random sample of 500 registrations are selected from a Department of Motor Vehicles database, and 68 are classified as SUVs.
a. Use a 95% confidence interval to estimate the proportion of SUVs in California.
b. How can you estimate the proportion of SUVs in California with a higher degree of accuracy? (hint:
There are two answers.)
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Related Book For 
Introduction To Probability And Statistics
ISBN: 9780357114469
15th Edition
Authors: William Mendenhall Iii , Robert Beaver , Barbara Beaver
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