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STAT 200 Quiz 3 Solution Correct Answers

A Quiz 3 solution focusing on inferential statistics and data interpretation.

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STAT 200 QUIZ 3Solution Correct AnswersMULTIPLECHOICE.Choosetheonealternativethatbest completesthestatementoranswersthequestion.Writethenullandalternativehypothesesyouwouldusetotestthefollowingsituation.1)5%oftrucksofacertainmodelhaveneedednewenginesafterbeingdrivenbetween0and1001)miles.Themanufacturerhopesthattheredesignofoneoftheengine'scomponentshassolvedthisproblem.A)H0:p>0.05HA:p=0.05B)H0:p<0.05HA:p>0.05C)H0:p=0.05HA:p<0.05D)H0:p<0.05HA:p=0.05E)H0:p=0.05HA:p>0.052)Thefederalguidelineforsmogis12%pollutantsper10,000volumeofair.Ametropolitancityis2)tryingtobringitssmoglevelintofederalguidelines.Thecitycomesupwithanewpolicywherecityemployeesaretouseofcitytransportationtoandfromwork.Alocalenvironmentalgroupdoesnotthinkthecityisdoingenoughandnorealchangewilloccur.Anindependentagency,hiredbythecity,runsatestontheair.Whatarethenullandalternativehypotheses?A)H0:p=0.12HA:p<0.12B)H0:p=0.12HA:p>0.12C)H0:p=0.12HA:p≠0.12D)H0:p≠0.12HA:p=0.12E)H0:p<0.12HA:p>0.12

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Document Details

University
University of Maryland
Course
STAT 200
Subject
Statistics

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