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WGU C955 APPLIED PROBABILITY AND STATISTICS QUESTIONS AND ANSWERS
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WGU C955 APPLIED PROBABILITY AND STATISTICS QUESTIONS AND ANSWERS
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WGU C955 - PA QUESTIONS ANDANSWERS
Whattist3/4tdividedtbyt2/3?
A)t9/8
B)t5/12
C)t5/7
D)t6/7t-tans✔✔9/8
Atcountytparkthasthikingtpathstwithtlengthstoft1.05,t3.6,t3.17,tandt2.2tmiles.
t
Whattistthettotaltlength,tintmiles,tofthikingtpathstintthetpark?
A)t9.02tmilest
B)t10.02tmilest
C)t10.12tmilest
D)t11.2tmilest-tans✔✔10.02tmiles
Ifttheretaret2ttablespoonstint1tfluidtounce,thowtmanyttablespoonstdoestthetfollowingtcalculati
ontyield?
4tfltozt-t1.5ttbsp
0.5ttbspt
1ttbspt
2.5ttbspt
6.5ttbspt-tans✔✔6.5ttbsp
SolvetfortX:
Xt-t5/4t=t2/3
A)t3/12
B)t7/12
C)t10/12
D)t23/12t-tans✔✔23/12
SolvetfortX:
X+5/3=2/3
A)t-3
,B)t-1
C)t1
D)t3t-tans✔✔-1
Giventthetinequality:
2yt+t6t>t20
Whichtgraphtistthetsolution?
A)t{{tyt<t3t}}
B)t{{tyt>t6t}}
C)t{{tyt>t7t}}
D)t{{tyt<t7t}}t-tans✔✔{{tyt>t7t}}
Whichtgraphtistthetsolutiontfortyt<t8?
A)t{{tunfilledtcircletont8,tarrowtpointingtleftt}}
B)t{{tfilledtcircletont8,tarrowtpointtleftt}}
C)t{{tunfilledtcircletont8,tarrowtpointingtrightt}}
D)t{{tfilledtcircletont8,tarrowtpointtrightt}}t-tans✔✔{{tunfilledtcircletont8,tarrowtpointingtleftt}}
Whichtgraphtistthetsolutiontfort4yt-t6t>t18?
A)t{{tyt>t4t}}
B)t{{tyt>t6t}}
C)t{{tyt<t4t}}
D)t{{tyt<t6t}}t-tans✔✔{{tyt>t6t}}
Whattistthetcorrecttlinetgraphtfortyt=t3xt+t5?
A)t(0,5)ttot(2,11)
B)t(0,-5)ttot(2,-11)
C)t(0,3)ttot(2,5)
D)t(0,3)ttot(2,-7)t-tans✔✔(0,5)ttot(2,11)
Whattistthetcorrecttlinetgraphtfortyt=t-2xt+t9?
A)t(0,9)ttot(4.5,0)
B)t(0,9)ttot(3,0)
C)t(0,-9)ttot(5,-19)
D)t(0,-9)ttot(5,-24)t-tans✔✔(0,9)ttot(4.5,0)
Atnormallytdistributedtdatatsetthastatmeantoft25tandtatstandardtdeviationtoft2.
Whichtpercentagetoftthetdatatfallstbetweent23tandt25?
A)t34.0t
B)t68.0t
C)t95.0t
D)t99.7t-tans✔✔34.0
Atgiventdatatsettistnormallytdistributedtwithtatmeantoft200tandtatstandardtdeviationtoft5.
t
, Whichttwotvaluestdoest95%toftthetdatatfalltbetween?
A)t180-220t
B)t185-225t
C)t190-210t
D)t195-235t-tans✔✔190-210
Intatstatisticstclass,t40tstudentstaretaskedttotwritettheirtagetontatpiecetoftpapertandtplacetthet
papertintatbox.tAftertrotatingtandtshakingtthetbox,t5tpiecestoftpapertaretdrawntfromtthetboxtatt
random.tThetdatatresultstaretastfollows:
36
22
21
20
19
Whattistthetmediantfortthistdatatset?
A)t17t
B)t21t
C)t24t
D)t28t-tans✔✔21
Atnewtvideotgamingtsitetwantsttotknowtwhattthetmediantagetistoftitstadolescenttpopulationts
ottheytcantfocustontactivitiestfortthesetclients.tAtdatatanalysttrecordedtthetagestoft12tadolesc
entstwhotusedtthetsitetovertatthree-monthtperiod.tThetresultstaretgiventbelow:
t
Aget,Frequency
13t,1
16t,2
17t,2
18t,3
19t,4
Whattistthetmediantagetoftthetadolescents?
A)t17.0t
B)t17.2t
C)t18.0t
D)t18.6t-tans✔✔18.0
Thetgraphtshowstatcompany'stprofits,tintthousandstoftdollars,tfortfivetdifferenttregions:
{{
Yt=tProfitstintThousandstoftDollars
Xt=tAtBtCtDtE
At=t29
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