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posted by Christina Wednesday, April 22, 2009 at 8:41pm.
IF P(A)=40%,P(A OR B)=60%,P(A AND B)=30% WHAT IS P(B)
P(A or B) = P(A) + P(B) - P(A and B) everything except P(B) is given sub in the values, make sure to change the percents to decimals e.g. 60% = .6
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