document.write( "Question 1183998: Valentina, Luke, Sally, Han and Mae are to be placed in a line in random order.\r
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document.write( "What is the probability that the boys will be next to each other and the girls will all be next to each other? \n" );
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Algebra.Com's Answer #814519 by greenestamps(13200)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "Assuming those names are 3 girls and 2 boys, the arrangements are either GGGBB or BBGGG; that's 2 possibilities. \n" ); document.write( "Within the group of 2 boys the number of possible arrangements is 2!=2; within the group of 3 girls the number of possible arrangements is 3!=6. \n" ); document.write( "The total number of ways of arranging the 5 people is 2*2*6=24. \n" ); document.write( "The total number of possible arrangements without restrictions is 5!=120. \n" ); document.write( "The probability that the boys will be next to each other and the girls will be next to each other is 24/120 = 1/5. \n" ); document.write( "ANSWER: 1/5 \n" ); document.write( " \n" ); document.write( " |