document.write( "Question 959063: Thanks to whoever takes the time to answer!\r
\n" ); document.write( "\n" ); document.write( "An urn contains five red balls, seven black balls, and three green balls. If two balls are selected at random without replacement from the urn, what is the probability that a red ball and a black ball will be selected? (Round your answer to three decimal places.)\r
\n" ); document.write( "\n" ); document.write( "My first answer of .167 was incorrect.
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Algebra.Com's Answer #586165 by stanbon(75887)\"\" \"About 
You can put this solution on YOUR website!
Thanks to whoever takes the time to answer!
\n" ); document.write( "An urn contains five red balls, seven black balls, and three green balls. If two balls are selected at random without replacement from the urn, what is the probability that a red ball and a black ball will be selected? (Round your answer to three decimal places.)
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\n" ); document.write( "# of black/red pairs:: 7*5 = 35
\n" ); document.write( "# of random pairs:: 15C2 = 105
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\n" ); document.write( "P(red/black) = 35/105 = 1/3
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\n" ); document.write( " Cheers,
\n" ); document.write( "Stan H.
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