document.write( "Question 1115286: At a college, 55% of the students pass Math, 70% pass Biology, and 25% pass both of these courses. If a student is selected at random, Find the probability that a student passes Math given that he passed Biology. \n" ); document.write( "
Algebra.Com's Answer #730182 by ikleyn(52781)\"\" \"About 
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document.write( "In order for to make the situation maximally obvious/visible/tangible, imagine the equivalent formulation.\r\n" );
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document.write( "    There are 100 students; 55 of them passed Math; 70 passed Biology, and 25 passed both.\r\n" );
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document.write( "    Find the ratio of those who passed Math given that they passed Biology.\r\n" );
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document.write( "I do not need explain to you that this ratio is  \"25%2F70\" - it is self-evidently.\r\n" );
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document.write( "Answer.  The probability under the question is  \"25%2F70\" = \"5%2F14\" = 35.71%\r\n" );
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