document.write( "Question 993933: one thousand cars were stopped and tested for faults. The failure rate of two parts is as follows: Light bulbs - 1 in 5 cars. Brakes - 1 in 10 cars. What is the probabilty that one of the cars checked had faulty light bulbs but did not have faulty brakes? \n" ); document.write( "
Algebra.Com's Answer #613172 by Boreal(15235)\"\" \"About 
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These are independent
\n" ); document.write( "probability of the first occurring is 0.20
\n" ); document.write( "probability of the second NOT occurring is 0.90
\n" ); document.write( "The probability is their product, or 0.18.
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