Question 1066488
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P(A&#8745;B) = P(A) + P(B) - P(A u B)
P(A&#8745;B) = 1/4 + 1/3 - 1/2
P(A&#8745;B) = 3/12 + 4/12 - 6/12
P(A&#8745;B) = (3+4-6)/12
P(A&#8745;B) = <font color=red size=4>1/12</font>
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