document.write( "Question 1136516: A building contractor buys 90​% of his cement from supplier A and 10​% from supplier B. A total of 70​% of the bags from A arrive​ undamaged, and a total of 75​% of the bags from B arrive undamaged.
\n" ); document.write( "Find the probability that a damaged bag is from supplier Upper B.
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Algebra.Com's Answer #754278 by Boreal(15235)\"\" \"About 
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Use 1000 bags
\n" ); document.write( "900 come from A and 630 are undamaged and 270 are damaged
\n" ); document.write( "100 come from B and 75 are undamaged and 25 are damaged.
\n" ); document.write( "If a randomly chosen bag is damaged, there is a 25/295 chance it came from B or 0.0847 probability.
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