document.write( "Question 328562: During a poll students were asked what classes they are taking now.
\n" ); document.write( "72 students are taking history, 60 students are taking statistics and 25 students are taking history and statistics
\n" ); document.write( "Based on your numbers calculate PROBABILITY that student in this college takes History class OR takes Statistics class.
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Algebra.Com's Answer #235363 by stanbon(75887)\"\" \"About 
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During a poll students were asked what classes they are taking now.
\n" ); document.write( "72 students are taking history, 60 students are taking statistics and 25 students are taking history and statistics
\n" ); document.write( "Based on your numbers calculate PROBABILITY that student in this college takes History class OR takes Statistics class.
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\n" ); document.write( "N(hist OR stat) = N(hist)+N(stat)-N(hist AND stat)
\n" ); document.write( "= 72 + 60 -25
\n" ); document.write( "= 107
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\n" ); document.write( "# of students in the college = ?
\n" ); document.write( "------
\n" ); document.write( "P(taking hist OR stat) = 107/?
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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