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Mathematics 11 Online
OpenStudy (anonymous):

The probability that Clarie passes chemistry is 0.75, and the probability that she passes history is 0.88. If passing one course is independent of passing the other, what is the probability that she does not pass chemistry and passes history? *show how you got the answer please. this is a SAT subject math level 2 problem.

OpenStudy (anonymous):

@amistre64 please help :)

OpenStudy (amistre64):

well, when we have an "and" construction, it implies multiplication notChem = 1-Chem and Hist = Hist what is notChem, times Hist?

OpenStudy (amistre64):

notationwise thats\[P(A\cap B)=P(A)*P(B)\]

OpenStudy (amistre64):

|dw:1366487041057:dw| these multiplications should produce any combination of probability we seek

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