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Mathematics 7 Online
OpenStudy (anonymous):

What is the probability of flipping heads three times in a row?

OpenStudy (anonymous):

MULTIPLY

OpenStudy (shane_b):

Right..since each flip has a 50% chances of being heads (1/2) \[(\frac{1}{2})(\frac{1}{2})(\frac{1}{2})=(\frac{1}{2})^3\]

OpenStudy (bacon):

1/2 x 3

OpenStudy (shane_b):

@Bacon: ^3...not times 3 :)

OpenStudy (bacon):

oh yes, sorry, thanks for the reply

OpenStudy (anonymous):

i dont get it?

OpenStudy (anonymous):

i got 1/27 and thats not one of my optoins.

OpenStudy (bacon):

hmmmmmmm

OpenStudy (anonymous):

options are 1/4, 1/6, 1/8, 1/12

OpenStudy (kainui):

It makes sense if you make a picture. Draw out what happens after each flip. |dw:1346265138513:dw|

OpenStudy (anonymous):

options are 1/4, 1/6, 1/8, 1/12

OpenStudy (anonymous):

i.o.th. floor lol

OpenStudy (kainui):

Of course that's after only 2 flips, you'll have to extend it to a third flip to get your answer. jessica we won't do your work for you, but we can help you learn.

OpenStudy (anonymous):

i am trying! i took 1/2 x 1/2 x 1/2

OpenStudy (anonymous):

;]]]

OpenStudy (anonymous):

oooooooo i got it

OpenStudy (anonymous):

awsumm :)

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