document.write( "Question 1132797: Computer keyboard failures are due to faulty electrical connects(12%)or mechanical defects (88%). Mechanical defects are related to loose keys (27% or improper assembly (73%). Electrical connect defect are caused by defective wires (35%), improper connections(13%), or poorly welded wires(52%).
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Algebra.Com's Answer #749923 by ikleyn(52802) $\"\"$ $\"About$

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document.write( "    0.88*0.27 = 0.2376 = 23.76%.            ANSWER\r\n" );
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document.write( "    0.12*(0.13 + 0.52) = 0.078 = 7.8%.      ANSWER\r\n" );
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\n" ); document.write( "\n" ); document.write( "The formulas are self-explanatory . . . \r
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