document.write( "Question 1202145: From a sample of 800 consumers,230 took coffee,245 took tea and 325 took cocoa.
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document.write( "30 took all the three beverages,70 took coffee and cocoa,110 took coffee only and 185 took cocoa only.\r
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document.write( "a. Present the above information in a Venn diagram
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document.write( "b.find the number of consumers who took tea only
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document.write( "c. Find the number of consumers who took coffee and tea only
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document.write( "d. Find the number of consumers who took tea and cocoa only
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Algebra.Com's Answer #836842 by mananth(16946)![]() ![]() You can put this solution on YOUR website! \r \n" ); document.write( "\n" ); document.write( "This problem is a trisection of sets.\r \n" ); document.write( "\n" ); document.write( "Start filling data from the trisection, then intersection of two sets \n" ); document.write( "From a sample of 800 consumers,\r \n" ); document.write( "\n" ); document.write( "230 took coffee,\r \n" ); document.write( "\n" ); document.write( "245 took tea \r \n" ); document.write( "\n" ); document.write( "and 325 took cocoa.\r \n" ); document.write( "\n" ); document.write( "30 took all the three beverages,\r \n" ); document.write( "\n" ); document.write( "70 took coffee and cocoa,\r \n" ); document.write( "\n" ); document.write( "110 took coffee only\r \n" ); document.write( "\n" ); document.write( " and 185 took cocoa only.\r \n" ); document.write( "\n" ); document.write( "Number of customers who took tea coffee or cocoa:\r \n" ); document.write( "\n" ); document.write( "110 + 95 + 185 + 50 + 40 + 70 + 30 = 580\r \n" ); document.write( "\n" ); document.write( " the number of customers who took tea only is 95,\r \n" ); document.write( "\n" ); document.write( "the number of customers who took tea and cocoa only is 70,\r \n" ); document.write( "\n" ); document.write( "the number of customers who took tea and coffee only is 50,\r \n" ); document.write( "\n" ); document.write( " ![]() \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |