P(A) = 0.2, P(A or B) = 0.5, and P (A and B) = 0.1, find P(B)?
a) 0.7
b) 0.8
c) 0.6
d) 0.4
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P(A) = 0.2, P(A or B) = 0.5, and P (A and B) = 0.1, find P(B)?
a) 0.7
b) 0.8
c) 0.6
d) 0.4
You're given all the info, just solve for P(B).
P(A or B)=P(A)+P(B)-P(A and B)
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