document.write( "Question 938077: Q (3): Suppose there is a factory with three assembly lines (A, B, and C)
\n" ); document.write( "that each make the same part. 50% of parts produced by the factory come
\n" ); document.write( "off of assembly line A, 30% come off of assembly line B, and 20% come
\n" ); document.write( "off of assembly line C. Finished parts can be categorized as either
\n" ); document.write( "defective or not. It is known that 0.4% of the parts from line A are defective,
\n" ); document.write( "0.6% of the parts from line B are defective, and 1.2% of the parts from line
\n" ); document.write( "C are defective. Find:
\n" ); document.write( "i) The probability of selecting a defective part
\n" ); document.write( "ii) If we are holding a defective part in our hand, what is the
\n" ); document.write( "probability that it came from assembly line B?
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Algebra.Com's Answer #571459 by ewatrrr(24785)\"\" \"About 
You can put this solution on YOUR website!
 
\n" ); document.write( "Hi
\n" ); document.write( "A: .50, (.004def) .002
\n" ); document.write( "B: .30 (.006def) .0018
\n" ); document.write( "C: .20 (.012def) .0024
\n" ); document.write( "tot: .0062
\n" ); document.write( "choose one
\n" ); document.write( "P(def) = .0062 0r .62%
\n" ); document.write( "....
\n" ); document.write( "P(A|B) = P(A and B)/P(B)
\n" ); document.write( "P(B |def) = \".30%2A.006%2F.0062\" = .2903 0r 29.03 % \n" ); document.write( "
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