Quick probability question!! Will medal and fan!
According to the venn diagram below, what is P(A n B n C)?
http://prntscr.com/bdk98n
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Vocaloid (vocaloid):
any ideas?
OpenStudy (studytheworld):
Not sure!
Vocaloid (vocaloid):
n (the upside down u symbol) means intersection
OpenStudy (studytheworld):
Right
Vocaloid (vocaloid):
so it wants the items that are in A, B, and C
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Vocaloid (vocaloid):
(the little thing in the middle where they all touch)
Vocaloid (vocaloid):
|dw:1465326302071:dw|
OpenStudy (studytheworld):
Okay
Vocaloid (vocaloid):
so... what do you think the answer is?
OpenStudy (studytheworld):
I don't really get it, do I have to add 5 and 2 in the middle or something?
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Vocaloid (vocaloid):
not quite
Vocaloid (vocaloid):
the 5 is part of A and B but not C, so we ignore it
we want the 2, which is in a, b, and c
Vocaloid (vocaloid):
so just 2
OpenStudy (studytheworld):
Okay
Vocaloid (vocaloid):
so our answer is 2
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OpenStudy (studytheworld):
My answer choices are a fraction though. So would it be 2/50 or something? Because 50 is the total amount of the Venn? My answer choices are:
4/25
2/25
1/25
3/25