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OpenStudy (anonymous):
Find P(A or B), if events A and B are overlapping. P(A) =9/18 P(B) =5/18 P(A and B) = 3/18
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OpenStudy (amistre64):
p(a or b) = p(a) + p(b) - p(a and b)
OpenStudy (amistre64):
9+5 = 14 - 3 = 11 11/18
OpenStudy (amistre64):
anytime ther is a value for p(a and b) it means they overlap and has to be subtracted out for the double count
OpenStudy (anonymous):
Thank You Again!!!!!!!!!!!!!!!!!!!!!!
OpenStudy (amistre64):
yeps :)
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