document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1010532>Question 1010532</A>: <I><SPAN STYLE=\"word-break: break-all;\"> <BR>\n" );
document.write( "According to the Centers for Disease Control and Prevention, he total blood cholesterol levels in Americans are found to be normally distributed with a mean of 200 mg/dl and a standard deviation of 18 mg/dl.  Determine the percentage of the population who have blood cholesterol levels less than 210 mg/dl.  (Round to four decimal places.) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #625987 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=625987\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> According to the Centers for Disease Control and Prevention, he total blood cholesterol levels in Americans are found to be normally distributed with a mean of 200 mg/dl and a standard deviation of 18 mg/dl. Determine the percentage of the population who have blood cholesterol levels less than 210 mg/dl. (Round to four decimal places.) <BR>\n" );
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document.write( "z(210) = (210-200)/18 = -0.5556<BR>\n" );
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document.write( "P(x < 210) = P(z < -0.5556) = normalcdf(-100,-0.5556) = 0.2892<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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