document.write( "Question 1206494: The probability that mary can work a problem is 70%.Find the probability that mary cannot work the problem
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Algebra.Com's Answer #844019 by ikleyn(52781) $\"\"$ $\"About$

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document.write( "\"Can not work\" is the state/event complementary to \"can work\".\r\n" );
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document.write( "The  ANSWER  is  100% - 70% = 30%.\r\n" );
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