Update)lQuestionslandlVerifiedlAnswers|l
100%lCorrect|lGradelA
Q:lProbabilityloflsomethinglhappening
Answer:
P=l#ldesireloutcomes/l#oflpossibleloutcomes
Q:lProbabilitylanleventldoeslnotloccur
Answer:
P=l1-lprobabilityloflsomethinglnotlhappening
Q:lProbabilitylofleventlAloccurringlwhileleventlBldoeslnotloccur.lKeywordl(OR).
Answer:
Addlprobabilitiesltogether
Q:lProbabilitylofleventlAlandlBloccurring
Answer:
Multiplylprobabilitiesltogether
,Q:lIndependentlprobabilityloflAlandlB
Answer:
Multiplylbothlprobabilities
Q:lProbabilitylofleventlAlorlBloccurringlbutlnotlboth
Answer:
AddlindependentlprobabilitieslA+Blandlthenlsubtractl(AxB)
Q:lStandardldeviation
Answer:
1-lfindlarithmeticlmeanloflset
2-substractlthelmeanloflthelsetlfromleachltermlinlthatlset
3-squareleachlresult
4-Takelthelmeanloflthoselsquares
5-Calculatelthelpositivelsquarelrootloflthatlaverage
Q:lDistinguishinglfromlCombinationslandlpermutations.
Answer:
Iflselectionlislunordered=lcombination
Iflordered=lpermutation
Q:lSumloflinteriorlangles
, Answer:
180
Q:lMeasureloflanlexteriorlangle
Answer:
=lthelsumloflremotelinteriorlangles
Q:lSumloflexteriorlangles
Answer:
360
Q:lArealofltriangle
Answer:
1/2l(base)x(height)
Q:lTrianglelinequalityltheorem
Answer:
islthellengthloflonelsidelisl3landlthelotherlisl7lthenlthelmissingllengthlmustlbelgreaterlthanl7-
3=4landlsmallerlthanl7+3=10.
Q:lIsoscelesltriangle