document.write( "Question 824371: There are 18 pictures of Christmas Trees...\r
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document.write( "There are 18 different names belonging to those trees...\r
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document.write( "You have to guess which tree belongs to whom...\r
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document.write( "What are the odds of getting 8 correct answers? \n" );
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Algebra.Com's Answer #496436 by rothauserc(4718)![]() ![]() You can put this solution on YOUR website! we need to multiply the following probabilities \n" ); document.write( "1 correct = 1/18 \n" ); document.write( "1 correct after 1 correct = 1/17 \n" ); document.write( "1 correct after 2 correct = 1/16 \n" ); document.write( "1 correct after 3 correct = 1/15 \n" ); document.write( "1 correct after 4 correct = 1/14 \n" ); document.write( "1 correct after 5 correct = 1/13 \n" ); document.write( "1 correct after 6 correct = 1/12 \n" ); document.write( "1 correct after 7 correct = 1/11 \n" ); document.write( "therefore 8 correct is \n" ); document.write( "(1/18)*(1/17)*(1/16)*(1/15)*(1/14)*(1/13)*(1/12)*(1/11) = 1/1.76432256e9 \n" ); document.write( " \n" ); document.write( " |