ToestimatetheproportionoftrafficdeathsinCalifornialastyearthatwerealcoholrelated,de- termine thenecessarysamplesizefortheestimatetobeaccuratetowithin0.04withprobability 0.90. BasedonresultsofstudiesreportedbytheNationalHighwayTrafficSafetyAdministra- tion (www.nhtsa.gov), we expecttheproportiontobeabout0.30.
Question:
ToestimatetheproportionoftrafficdeathsinCalifornialastyearthatwerealcoholrelated,de-
termine thenecessarysamplesizefortheestimatetobeaccuratetowithin0.04withprobability 0.90. BasedonresultsofstudiesreportedbytheNationalHighwayTrafficSafetyAdministra-
tion (www.nhtsa.gov), we expecttheproportiontobeabout0.30.
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Foundations Of Statistics For Data Scientists With R And Python
ISBN: 9780367748456
1st Edition
Authors: Alan Agresti
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