document.write( "Question 1194852: Box A contains 5 red balls and 4 white balls. Box B contains 6 red balls and 5 white balls. If one ball is selected at random without looking at the boxes and is found red, what is the probability it came from box A? \n" ); document.write( "

Algebra.Com's Answer #827150 by shlomitg(8) $\"\"$ $\"About$

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The probability is 5/11. Once you picked a red ball randomely, A box has 5 and B has six, so it's 5/11 probability that you chose a ball from A. \n" ); document.write( "

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