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WGU C955 - Module 7: Probability Questions and Answers 2025

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WGU C955 - Module 7: Probability Questions and Answers 2025

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WGU C955

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WGU C955

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Institution: WGU C955
Course: WGU C955

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Uploaded on: April 14, 2025
Number of pages: 13
Written in: 2024/2025
Type: Exam (elaborations)
Contains: Questions & answers

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wgu c955 module 7 probability questions and ans

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WGU C955 - Module 7: Probability
Questions and Answers 2025
WhatAisAtheAprobabilityAofAsomeoneAhavingAaAbirthdayAinAMarchAorADecember?

aA1/6A
bA1/4A
cA1/3A
dA1/2A-ACORRECTAANSWERS-1/6
TheAtableAbelowAshowsAtheAbreakdownAofAworkersAatAaAbusiness.AWhatAisAtheAprobabilityA
ofAselectingAaAworkerAwhoAisAoverA45AyearsAofAageAtoAtheAnearestAhundredth?

Age
18−25A26−44A45+ATotal
MaleA75A200A125A400A
FemaleA50A225A100A375A
TotalA125A425A225A775A
aA0.16A
bA0.29A
cA0.42A
dA0.55A-ACORRECTAANSWERS-0.29
TheAtableAbelowAshowsAtheAbreakdownAofAworkersAatAaAbusiness.AWhatAisAtheAprobabilityA
thatAaArandomlyAselectedA18−25AyearAoldAisAmaleA(toAtheAnearestAhundredth)?

Age
18−25A26−44A45+ATotal
MaleA75A200A125A400A
FemaleA50A225A100A375A
TotalA125A425A225A775A
aA0.48A
bA0.52A
cA0.56A
dA0.60A-ACORRECTAANSWERS-0.60
TheAprobabilityAthatAJimmyAattendsAschoolAonAanyAgivenAdayAisA0.98A.ATheAprobabilityAJim
myAmissesAaAdayAofAschool,AgivenAthatAheAmissedAtheAdayAbefore,AisA0.5A.AWhatAisAtheApro
babilityAthatAJimmyAmissesAschoolAonABOTHATuesdayAandAWednesday?

aA0.0004A
bA0.01A
cA0.02A
dA0.04A-ACORRECTAANSWERS-0.01
TheAfollowingAtableAshowsAtheApercentageAofAeventsAatAanAarena.

, BasketballA26%
HockeyA19%
ConcertA18%
TableATennisA9%
OtherA28%

WhatAisAtheAdisjointAprobabilityAofAhavingAaAbasketballAorAhockeyAgameAatAtheAarena?
aA27%
bA37%
cA45%
dA55A-ACORRECTAANSWERS-45%
AAgameAhasAaA10A-
sidedAfairAdie.AWhatAisAtheAprobabilityAofArollingAanAevenAnumberAorAaAnumberAlessAthanA5A
?

aA1/10A
bA3/10A
cA7/10A
dA9/10A-ACORRECTAANSWERS-7/10
AAsurveyAonAfavoriteApizzaAtoppingAwasAgiven:A33%AsaidAcheeseAwasAtheirAfavoriteAtoppin
g,A25%AsaidApepperoni,A15%AsaidAsausage,AandA27%AsaidAother.AIfAtwoApeopleAareApicked
AatArandomAandAreplaced,AwhatAisAtheAprobabilityAofApickingAtwoApeopleAthatAlikeAcheese?A

RoundAyourAanswerAtoAaAwholeAnumber.

aA0%A
bA11%A
cA33%A
dA66%A-ACORRECTAANSWERS-11%
ThereAwasAaAmarbleAdrawnAfromAaAbagAinAanAexperimentAandAplacedAbackAinAtheAbagArep
eatedly.AAAredAmarbleAappearedA45Atimes,AaAblueAmarbleA70Atimes,AaAgreenAmarbleA63Ati
mes,AandAaAblackAmarbleA22Atimes.AWhatAisAtheAempiricalAprobabilityAofAtheAblueAmarble?

aA0.11
bA0.225
cA0.315
dA0.35A-ACORRECTAANSWERS-0.35
InAaAbag,AthereAareA8AredAmarbles,A10AblueAmarbles,A9AgreenAmarbles,AandA5AblackAmarbl
es.AFindAtheAtheoreticalAprobabilityAofAdrawingAaAredAmarbleAoutAofAtheAbag.

aA5/32A
bA1/4A
cA9/32A
dA5/16A-ACORRECTAANSWERS-1/4
WhatAisAtheAsampleAsizeAforAchoosingAanAoddAnumberAbetweenA1AandA75A,AincludingAtheAn
umbersA1AandA75A?

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