document.write( "Question 54142: My answer to the problem stated below 1/10 = 0.1 Am I correct?\r
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document.write( "Problem:
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document.write( "A couple plans to have 4 children.Assuming the probability of obtaining each sex is 50% (1 in 2), find the probability of the couple getting 4 boys. \n" );
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Algebra.Com's Answer #36422 by funmath(2933) ![]() You can put this solution on YOUR website! There's a couple of ways of doing this: \n" ); document.write( "The multiplication rule: \n" ); document.write( "Multiply the probabilty of having a boy and a boy and a boy and a boy. \n" ); document.write( " \n" ); document.write( "You can also raise the probability to the power of 4. \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "If you aren't to that point in your book, P=(#of ways to have 4 boys)/(# of ways to have children) \n" ); document.write( "There is 1 way to have 0 boys: (GGGG) \n" ); document.write( "There are 4 ways to have 1 boys: (BGGG),(GBGG),(GGBG),(GGGB) \n" ); document.write( "There are 6 ways to have 2 boys: (BBGG),(GBBG),(GGBB),(BGBG),(GBGB),(BGGB) \n" ); document.write( "There are 4 ways to have 3 boys: (BBBG),(BBGB),(BGBB),(GBBB) \n" ); document.write( "There is 1 way to have 4 boys:(BBBB) \n" ); document.write( "There is 1 way to have 4 boys and 16 ways to have 4 children: \n" ); document.write( " \n" ); document.write( "Happy Calculating!!! \n" ); document.write( " \n" ); document.write( " |