+476 A and B are two events.
Let P(A)=0.5 , P(B)=0.4 , and P(A and B)=0.2 .
Which statement is true?
A and B are independent events because P(A|B)=P(B|A) .
A and B are independent events because P(A|B)=P(A) .
A and B are not independent events because P(A|B)=P(B|A) .
A and B are independent events because P(A|B)=P(B) and P(B|A)=P(A) .
