document.write( "Question 1175760: Assume that each child that is born is equally likely to be a boy or girl . If a family has two children what is the probability that
\n" ); document.write( "1) both are girls
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\n" ); document.write( "3) first one is boy
\n" ); document.write( "4) At least two boys
\n" ); document.write( "5) younger is girl. \n" ); document.write( "

Algebra.Com's Answer #801448 by ikleyn(52777) $\"\"$ $\"About$

You can put this solution on YOUR website!
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\n" ); document.write( "Assume that each child that is born is equally likely to be a boy or girl .
\n" ); document.write( "If a family has two children what is the probability that
\n" ); document.write( "1) both are girls
\n" ); document.write( "2) Elder is girl
\n" ); document.write( "3) first one is boy
\n" ); document.write( "4) At least two boys
\n" ); document.write( "5) younger is girl.
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document.write( "The total space of events is presented by this table, where all 4 (four) possibilities are listed (B=boy;  G=girl)\r\n" );
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document.write( "    older    younger    Probability\r\n" );
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document.write( "      B         B          1/4\r\n" );
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document.write( "      B         G          1/4\r\n" );
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document.write( "      G         B          1/4\r\n" );
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document.write( "      G         G          1/4\r\n" );
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document.write( "To answer questions, you simply count, how many favorable cases you see in the table, \r\n" );
document.write( "and then relate this number to the total number of all possible cases, which is 4.\r\n" );
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document.write( "1)  P = \r\n" );
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document.write( "2)  P =  = \r\n" );
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document.write( "3)  P = \r\n" );
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document.write( "4)  P =    (at least two boys means \"two boys\", in this case)\r\n" );
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document.write( "5)  P =  = \r\n" );
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