document.write( "Question 375313: Question1.In a college class of 100 students,54 studied mathmatics,69 studied history,and 35 studied both mathmatics and history.if one of these students is selected at random,find the probability that.\r
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document.write( "a.the student takes mathmatics or history\r
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document.write( "b.the student does not take either of these subjects\r
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document.write( "c.the student takes history but not mathmatics \n" );
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Algebra.Com's Answer #267001 by edjones(8007)![]() ![]() You can put this solution on YOUR website! Make a Venn Diagram so you understand this! \n" ); document.write( "M=math, H=history, M'=non math, U=union, n=intersection \n" ); document.write( ". \n" ); document.write( "a) M U H = (19+35+34)/100 = 88/100 = 22/25 \n" ); document.write( ". \n" ); document.write( "b) M' n H' = (100-88)/100 = 12/100 = 3/25 \n" ); document.write( ". \n" ); document.write( "c) H n M' = 34/100 = 17/50 \n" ); document.write( ". \n" ); document.write( "Ed \n" ); document.write( " |