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Elsa213 (elsa213):
Mrs. Lamb is going to make a 3 question true false test. She wants to see how many different answer keys would be possible. What could she use to simulate this quiz? What would the sample space be?
Elsa213 (elsa213):
@undeadknight26 c;
OpenStudy (xapproachesinfinity):
3 individual question that needs to be answered T or F is this the problem
OpenStudy (xapproachesinfinity):
so you are looking for the set of all possible outcomes for these 3 questions
OpenStudy (xapproachesinfinity):
|dw:1439831479137:dw|
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OpenStudy (ali2x2):
#EggheadProfessor
OpenStudy (xapproachesinfinity):
look at this tree that show all the possible outcomes for the questions
OpenStudy (xapproachesinfinity):
so can you see how many possibilities we have
Elsa213 (elsa213):
8 possible keys? :o
OpenStudy (xapproachesinfinity):
well count the branches
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OpenStudy (ali2x2):
6
Elsa213 (elsa213):
Ohh I thought i saw an extra xD sowwy ;^;
OpenStudy (xapproachesinfinity):
or you could also try listing the outcomes
like
TTT (all true)
TTF
TFF
TFT
and so on
OpenStudy (ali2x2):
its ok <3
Elsa213 (elsa213):
ohhhh oki :D
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OpenStudy (xapproachesinfinity):
every question has two possibilities T or F
we have 3 question so 3x2=6
the multiplication law of counting
Elsa213 (elsa213):
okay :D
Congratulations on reaching 90ss c;
OpenStudy (xapproachesinfinity):
thnx :)
OpenStudy (ali2x2):
I almost forgot congrats!
Elsa213 (elsa213):
Thank you all for your help (~ ^.^ )~
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