document.write( "Question 1180931: 3) Suppose the time it takes for customer representatives to diagnose and fix computer problems is
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Algebra.Com's Answer #810748 by ikleyn(52874) $\"\"$ $\"About$

You can put this solution on YOUR website!
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document.write( "(a)  The events are within the 30 minutes time interval of the total  110 = 120-10 minutes.\r\n" );
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document.write( "     THEREFORE,  P =  = 0.2727... = 0.2727  (rounded) = 27.27%.    ANSWER\r\n" );
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document.write( "(b)  This time the events are within of 30 minutes time interval  (30 = 120-90) \r\n" );
document.write( " of the total  110 = 120-10 minutes, so AGAIN\r\n" );
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document.write( "                 P =  =  = 0.2727... = 0.2727  (rounded)  = 27.27%.    ANSWER\r\n" );
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document.write( "(c)  Average time  is   =  = 65 minutes.    ANSWER\r\n" );
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