document.write( "Question 420114: I have absolutely no clue how to do this problem and I've tried it a number of ways.
\n" ); document.write( "In the US the probability of living at least 60 years is 88% and the probability of living at least 80 years is 55.5%. Find the probability of living at least 80 years given that the person is already 60.
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Algebra.Com's Answer #293609 by stanbon(75887)\"\" \"About 
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In the US the probability of living at least 60 years is 88% and the probability of living at least 80 years is 55.5%.
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\n" ); document.write( "Find the probability of living at least 80 years given that the person is already 60.
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\n" ); document.write( "P(80 | 60) = P(80 and 60)/P(60) = P(80)/P(60) = 0.555/0.60 = 0.925
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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