document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=992770>Question 992770</A>: <I><SPAN STYLE=\"word-break: break-all;\"> <BR>\n" );
document.write( "The numbers of pages in the books in a library follow a normal distribution. If the mean number of pages is 180 and the standard deviation is 30 pages, what can you conclude?\r<BR>\n" );
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document.write( "About 60% of the books have fewer than 150 pages.\r<BR>\n" );
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document.write( "About 16% of the books have fewer than 150 pages.\r<BR>\n" );
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document.write( "About 95% of the books have more than 150 pages.\r<BR>\n" );
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document.write( "About 16% of the books have more than 150 pages.\r<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 #612257 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=612257\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The numbers of pages in the books in a library follow a normal distribution. If the mean number of pages is 180 and the standard deviation is 30 pages, what can you conclude?<BR>\n" );
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document.write( "Note:: 150 is 1 standard deviation below the mean.<BR>\n" );
document.write( "150 has a left tail of approximately (50-34)= 16%<BR>\n" );
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document.write( "Therefore::<BR>\n" );
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document.write( "Ans:: About 16% of the books have fewer than 150 pages.<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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