document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=935474>Question 935474</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The lifetimes of light bulbs of a particular type are normally distributed with a mean of 270 hours and a standard deviation of 11 hours. What percentage of the bulbs has lifetimes that lie within 2 standard deviations of the mean on either side?\r<BR>\n" );
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document.write( "Apply the 68-95-99.7 rule to this questions.<BR>\n" );
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document.write( "A. 68% <BR>\n" );
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document.write( "B. 1005 <BR>\n" );
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document.write( "C. 99.7% <BR>\n" );
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document.write( "D. 95% <BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #568684 by </B><A HREF=/tutors/aboutme.mpl?userid=oscargut><B>oscargut(2103)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=oscargut><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=oscargut><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=568684\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Answer:  D\r<BR>\n" );
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