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- a. P(A*B)=P(A)*P(B)=0.4*0.5=0.2
- b. P(~B)=1-P(B)=1-0.5=0.5
- P(A AND ~B) = P(A) * P(~B) = 0.4*0.5=0.2
- c. P(A OR B)=P(A)+P(B)-P(A and B)=0.4+0.5-0.2=0.7
- d. P(A AND ~B)=P(A)*P(~B)=0.4*0.5=0.2
- P(A OR ~B)=P(A)+P(~B)-P(A AND ~B)=0.4+0.5-0.2=0.7
- e and f. A and B are independent. P(A)=0.4
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