document.write( "Question 1168635: The burning times of electric bulbs approximate a normal curve with a mean of 1200 hours and a standard deviation of 120 hours. if a large number of new lights are installed at the same time (possibly along a newly opened highway), at what time will? \n" ); document.write( "
Algebra.Com's Answer #793318 by Theo(13342)\"\" \"About 
You can put this solution on YOUR website!
your question is incomplete.
\n" ); document.write( "please review the problem and rewrite it.
\n" ); document.write( "at what time will what happen?
\n" ); document.write( "that part is missing.
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