SOLUTION: Suppose A and B are independent events. If P(A)=0.4 and P(B)=0.45, what is P(A U B)?

SOLUTION: Suppose A and B are independent events. If P(A)=0.4 and P(B)=0.45, what is P(A U B)?

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Question 1008953: Suppose A and B are independent events. If P(A)=0.4 and P(B)=0.45, what is P(A U B)?
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
For independent events,
P(A n B)=P(A)P(B)=0.4(0.45)=0.18
So then,
P(A U B)=P(A)+P(B)-P(A n B)=0.4+0.45-0.18=0.67
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