document.write( "Question 168753: A student is selected at random from a group of 200 students in which 135 take math, 85 take English and 65 take both math and English. Find the probability that the selected student takes math or English. \n" ); document.write( "
Algebra.Com's Answer #124401 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! A student is selected at random from a group of 200 students in which 135 take math, 85 take English and 65 take both math and English. Find the probability that the selected student takes math or English. \n" ); document.write( "--------------- \n" ); document.write( "P(M or E)= P(M) + P(E) - P(M and E) \n" ); document.write( "= 135/200 + 85/200 - 65/200\r \n" ); document.write( "\n" ); document.write( "= (135 + 85 - 65)/200\r \n" ); document.write( "\n" ); document.write( "= 155/200\r \n" ); document.write( "\n" ); document.write( "= 0.775 \n" ); document.write( "============ \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |