document.write( "Question 1182188: A student conducted a survey at school and found that 75 % of the boys and 65 % of the girls like to watch hockey games. There are an equal number of boys and girls in the school. If someone does not like to watch hockey games, what is the approximate probability that the person is a boy? \n" ); document.write( "

Algebra.Com's Answer #812173 by ikleyn(52781) $\"\"$ $\"About$

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\n" ); document.write( "A student conducted a survey at school and found that 75 % of the boys and 65 % of the girls
\n" ); document.write( "like to watch hockey games. There are an equal number of boys and girls in the school.
\n" ); document.write( "If someone does not like to watch hockey games, what is the approximate probability that the person is a boy?
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document.write( "Let x be the number of boys in the school.\r\n" );
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document.write( "Then the number of girls also ix x, according to the condition.\r\n" );
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document.write( "The number of boys who does not like to watch hockey games is  0.25x.\r\n" );
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document.write( "The number of those who does not like to watch hockey games is  0.25x + 0.35x = 0.6x.\r\n" );
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document.write( "The probability under the question is \r\n" );
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document.write( "    P =  =  =  =  = .    ANSWER\r\n" );
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\n" ); document.write( "\n" ); document.write( "Solved.\r
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