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Introduction to Statistical Investigations, 2nd Edition TEST BANK by Nathan Tintle; Beth L. Chance, Verified Chapters 1 - 11, Complete Newest Version$16.49
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TEST BANK For Introduction to Statistical Investigations, 2nd Edition by Nathan Tintle; Beth L. Chance, Verified Chapters 1 - 11, Complete Newest Version TEST BANK For Introduction to Statistical Investigations, 2nd Edition by Nathan Tintle; Beth L. Chance, Verified Chapters 1 - 11, Complete Newest...
Section 1.1: Introduction to Chance Models
u u u u u
LO1.1-1:uRecognizeutheudifferenceubetweenuparametersuandustatistics.
LO1.1-2:uDescribeuhowutouuseucoinutossingutousimulateuoutcomesufromuauchanceumodeluofutheuran-
domuchoiceubetweenutwouevents.
u
Questionsu1uthroughu4:
DoureduuniformuwearersutendutouwinumoreuoftenuthanuthoseuwearingublueuuniformsuinuTaekwond
oumatchesuwhereucompetitorsuareurandomlyuassignedutouwearueitheruaureduorublueuuniform?uInuau
sampleuofu80uTaekwondoumatches,uthereuwereu45umatchesuwhereutheureduuniformuweareruwon.
1. Whatuisutheuparameteruofuinterestuforuthisustudy?
A. Theulong-runuproportionuofuTaekwondoumatchesuinuwhichutheureduuniformuweareruwins
B. Theuproportionuofumatchesuinuwhichutheureduuniformuweareruwinsuinuausampleuofu80uTaek
wondoumatches
C. Whetherutheureduuniformuweareruwinsuaumatch
D.u 0.50
Ans:uA;uLO:u1.1-1;uDifficulty:uEasy;uType:uMC
2. Whatuisutheustatisticuforuthisustudy?
A. Theulong-runuproportionuofuTaekwondoumatchesuinuwhichutheureduuniformuweareruwins
B. Theuproportionuofumatchesuinuwhichutheureduuniformuweareruwinsuinuausampleuofu80uTaek
wondoumatches
C. Whetherutheureduuniformuweareruwinsuaumatch
D.u 0.50
Ans:uB;uLO:u1.1-1;uDifficulty:uEasy;uType:uMC
3. Givenubelowuisutheusimulatedudistributionuofutheunumberuofu―reduwins‖uthatucoulduhappenubyuchan
ceualoneuinuausampleuofu80umatches.uBaseduonuthisusimulation,uisuouruobserveduresultustatisticallyus
ignificant?
A. Yes,usinceu45uisulargeruthanu40.
B. Yes,usinceutheuheightuofutheudotplotuaboveu45uisusmalleruthanutheuheightuofutheudotpl
otuaboveu40.
C. No,usinceu45uisuaufairlyutypicaluoutcomeuifutheucoloruofutheuwinner‘suuniformuwasudeter
minedubyuchanceualone.
FORuINSTRUCTORuUSEuONLY
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