document.write( "Question 1210344: A girl passed an exam is 0.8 find the probability of failing the exam \n" ); document.write( "
Algebra.Com's Answer #851971 by ikleyn(52782)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "Probability that the girl fails the exam is 1 - 0.8 = 0.2.\r
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\n" ); document.write( "\n" ); document.write( "It is the complementary event and the complementary probability.\r
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