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OpenStudy (sepeario):
I have a simple question on probability, I need help with 8b) please. http://i.imgur.com/dQRWDbe.jpg
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Vocaloid (vocaloid):
first find A' A' = 1 - A = ?
OpenStudy (sepeario):
A complement is 0.24?
Vocaloid (vocaloid):
good, then use the formula like you did before
OpenStudy (sepeario):
wouldn't the formula just be Pr(A' union B) = Pr(B)-Pr(A intersection B)
Vocaloid (vocaloid):
yeah, just change all the A's to A'
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OpenStudy (sepeario):
okay so would the answer be 0.84-0.68?
Vocaloid (vocaloid):
hm not quite
OpenStudy (sepeario):
okay so could you please explain the formula i would use
Vocaloid (vocaloid):
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