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)![]() ![]() 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. \n" ); document.write( " \n" ); document.write( " |