document.write( "Question 1117092: Urn 1 has 2 white and 3 black balls : Urn 2 has 4 white and 1 black:Uen 3 has 3 white and 4 black. An Urn is selected to be white.find the probability that Urn 1 was selected. \n" ); document.write( "
Algebra.Com's Answer #732072 by ikleyn(52781)\"\" \"About 
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\n" ); document.write( "The condition was written so inaccurately  that clearly showed that the person who wrote it  did not understand the meaning of what he wrote.\r
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\n" ); document.write( "\n" ); document.write( "The correct formulation is   T H I S:\r
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document.write( "    Urn 1 has 2 white and 3 black balls; Urn 2 has 4 white and 1 black; Urn 3 has 3 white and 4 black. \r\n" );
document.write( "    A ball was selected to be white. Find the probability that the ball was selected from Urn 1.\r\n" );
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document.write( "In all,  there are   2 + 4 + 3 = 9  white balls.\r\n" );
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document.write( "Therefore,  the answer/(the probability under the question) is  \"2%2F9\".\r\n" );
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