Casio fx-82AU PLUS Using Manual

31
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more?
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.

Casio fx-82AU PLUS Specifications

General

Type	Scientific Calculator
Number of Functions	252
Power Source	Battery
Weight	100 g
Display Digits	10 + 2 digits
Memory	9 variables
Display	Dot matrix
Battery Type	1 x LR44
Power Supply	Battery
Compliance	Australian school curriculum