document.write( "Question 1101273: In a group of 40 children, 12 have blonde hair, 14 have brown eyes, and 5 have both blonde hair and brown eyes. If a child is selected at random, find the probability of the following. (Round your answers to three decimal places.)\r
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document.write( "(a) The child has blonde hair and brown eyes.
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document.write( "(b) The child has blonde hair or brown eyes.
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Algebra.Com's Answer #715811 by Boreal(15235)![]() ![]() You can put this solution on YOUR website! ==========BL=========Not=====total \n" ); document.write( "BR eye-----5-----------------14 \n" ); document.write( "Not BR \n" ); document.write( "Total=====12-----------------40\r \n" ); document.write( "\n" ); document.write( "==========BL=========Not=====total \n" ); document.write( "BR eye-----5----------9------14 \n" ); document.write( "Not BR ====7========19=======26 \n" ); document.write( "Total=====12--------28-------40\r \n" ); document.write( "\n" ); document.write( "a. Already given as 5/40=0.125 \n" ); document.write( "b. That is 12/40+14/40-5/40 (double counted)=21/40=0.525 \n" ); document.write( "It is also 1-p(not brown and not blonde)=21/40=0.525 \n" ); document.write( " |