SOLUTION: Suppose A and B are independent events. If P(A)=0.4 and P(B)=0.1, what is P(A U B) ?

SOLUTION: Suppose A and B are independent events. If P(A)=0.4 and P(B)=0.1, what is P(A U B) ?

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Question 1007476: Suppose A and B are independent events. If P(A)=0.4 and P(B)=0.1, what is P(A U B) ?
Answer by fractalier(6550) (Show Source): You can put this solution on YOUR website!
In general
P(A or B) = P(A) + P(B) - P(A and B) so here
P(A U B) = .4 + .1 - (.4)(.1) = .5 - .04 = .46

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