Casio FX-82AU PLUS Calculator User Manual


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E In1915theaverageageofAustralianandNewZealandsoldierswas28years.
(i) Howmanyyearsyoungerthan28wastheaverageageofthesampleofANZAC
soldierskilledinGallipoli?
(ii) Calculatethisagedifferenceasapercentageof28.
F Nooneissureexactlyhowmanymendiedinactionorasaresultofwounds
inGallipoli.Thenumberissomewherebetween8160and8710.
(i) Assumingthenumberis8710,usethesampleinformationtoestimatethe
numberofANZACsoldierskilledintheGallipoliCampaignwhowerelessthan
21yearsold.
(ii) Howmanymathsclasseswith25studentsineachclasscouldhavebeenmade
fromtheANZACsoldierswhowerelessthan21yearsoldwhentheywerekilled
intheGallipoliCampaign?
4. ThefirstANZACDivisioncontained30000men.Ofthesemen,631wereofficersand
29369wereenlistedmen.
A Ofthe631officersonlyaboutonesixthhadpreviouswarexperience.
Howmanyoftheofficershadnopreviouswarexperience?
B CalculatethepercentageofthefirstDivisionwhowereofficers.
C Intherandomsampleof520ANZACsoldierskilledintheGallipoli
Campaignonly1manwasanofficer,theremaining519menwereenlisted.
Whatpercentageofthe samplekilledinGallipoliwasanofficer?
D OneT.V.commentatorsaid:“Ifyouaregoingtofightinawar,makesureyou
areanofficer.Officersarelesslikelytobekilled.”
Useyouranswertoparts(B)and(C)todeterminewhethertheT.V.
commentator’sstatementiscorrect.Giveareasonforyouropinion.
Wanttoknowm ore?
LogontothesesitestofindoutmoreinformationabouttheANZACsatwar
http://www.awm.gov.au/
http://www.awm.gov.au/database/collection.asp
©SueThomsonandShriroAustraliaPTYLimited.Thisactivitymaybephotocopiedforclassroomuse.
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