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OpenStudy (.whitedragon.):
Events A and B are mutually exclusive, with P(A) = 0.65 and P(B) = 0.14. What is P(A or B)? A. 0.091 B. 0.215 C. 0.51 D. 0.79
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OpenStudy (.whitedragon.):
@paki
OpenStudy (.whitedragon.):
@queenleviosa
OpenStudy (paki):
sim[ply, add both :-)
OpenStudy (mathmale):
The proper name for the formula you need here is "addition formula for probability." I id an Internet search and came up with the following: http://www.mathwords.com/a/addition_rule.htm Please take a look at that.
OpenStudy (paki):
as here no overlap
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OpenStudy (paki):
@.WhiteDragon.
OpenStudy (zarkon):
Use Kolmogorov's third axiom of probability http://en.wikipedia.org/wiki/Probability_axioms#Third_axiom
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