Casio FX-82AU PLUS Calculator User Manual


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Playing dice simulation
Simulation 1
Whenyourollapairofnormal,6sideddicetogetherandaddthenumbersshowing,whatisthe
mostlikelytotal?
What you have to do
· EntertheformulaRanInt#(1,6)+RanInt#(1,6)intoyourcalculator.Eachtimeyoupress
pthecalculatorwillsimulateanotherrollofthedice.
· Recordthenumberdisplayedbyyourcalculatoreachtimeyoupresspinthetable.
Simulatethedicerollsatleast40times.
Total of the dice Tally Frequency
2
3
4
5
6
7
8
9
10
11
12
Discussion questions
· Whatisthemostcommontotalwhenthenumbersonapairofdiceareadded?
· Whydoesthisnumberoccurmorethanothernumbers?
· Whatarethetworaresttotals?
Simulation 2
AndrewandImranarerollingapairofnormal,6sideddice.Andrewthinksthatasumof7will
occurtwicebeforeasumof6andasumof8happens.Imrandoesn’tagree.Hethinksthatasum
of6andasumof8beforetwosumsof7.
Yourtaskistodeterminewhoisright!
What you have to do
EntertheformulaRanInt#(1,6)+RanInt#(1,6)intoyourcalculator.Whenyoupresspignore
anyvaluesthatarenot6,7or8.Recordwhethertwosumsof7orasumof6andasumof8
happensfirst. Carryoutatleast20simulationsandshowyourresultsinthetable.
Two sums of 7
A sum of 6 and a sum of 8
(or a sum of 8 and a sum of 6)
Whicheventoccursfirstmostoften;twosumsof7orasumof6andasumof8?Why?
©SueThomsonandShriroAustraliaPTYLimited.Thispagemaybephotocopiedforclassroomuse.
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