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.
\n" );
document.write( " \n" );
document.write( "
Algebra.Com's Answer #235363 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! 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. \n" ); document.write( "------ \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 \n" ); document.write( "------ \n" ); document.write( "# of students in the college = ? \n" ); document.write( "------ \n" ); document.write( "P(taking hist OR stat) = 107/? \n" ); document.write( "=================================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " \n" ); document.write( " |