document.write( "Question 1164266: Given a family with four children, find the probability of the event.
\n" ); document.write( "The oldest two are girls, given that the oldest is a girl. What is the probability that the oldest is a girl? \n" ); document.write( "

Algebra.Com's Answer #788591 by ikleyn(52790) $\"\"$ $\"About$

You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "Without any theorizing, based EXCLUSIVELY on common sense, it is CLEAR and OBVIOUS \r
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\n" ); document.write( "\n" ); document.write( "that the probability the problem asks for is $\"1%2F2\"$ .\r
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\n" ); document.write( "\n" ); document.write( "It can not be differently.\r
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\n" ); document.write( "\n" ); document.write( "And the condition that the family has four children is IRRELEVANT --- it is simply a kind of \"white noise\".\r
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\n" ); document.write( "\n" ); document.write( "To tutor @greenestamps\r
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document.write( "    Dear @greenestamps,  my experience at this forum just convinced me, that it is useless to wait an answer from the visitors,\r\n" );
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document.write( "    as they do not understand the contents of their posts, at all and as a rule.\r\n" );
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document.write( "        // For 90% of them, their role and functioning at this forum is \"copy-paste-submit\".   And nothing more // (and nothing else).\r\n" );
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document.write( "    Let me answer your question, instead of them.\r\n" );
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document.write( "    The second phrase, which you ask about, is the description of the event,\r\n" );
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document.write( "     while the last, third phrase is the real question.\r\n" );
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