document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=581515>Question 581515</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 2)	The lifetimes of light bulbs of a particular type are normally distributed with a mean of 370 hours and a standard deviation of 5 hours. What percentage of bulbs has lifetimes that lie within 1 standard deviation of the mean on either side?   </SPAN>\n" );
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