document.write( "Question 892439: Two students are registered for the same class and attend independently of each other, student A 70% of the time and student B 60% of the time. The teacher remembers that on a given day at least one of them is in class. What is the probability that student A was in class that day? (Round your answer to three decimal places.)
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Algebra.Com's Answer #540492 by richwmiller(17219)\"\" \"About 
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Why isn't it 70% ? \n" ); document.write( "
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