document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=277633>Question 277633</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The mean systolic blood pressure of adult males is normally<BR>\n" );
document.write( "distributed with a mean of 138 (millimeters of<BR>\n" );
document.write( "mercury) and a standard deviation of 9.7. What percent<BR>\n" );
document.write( "of adult males have blood pressure between 161.28 and<BR>\n" );
document.write( "164.9? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #202123 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=202123\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The mean systolic blood pressure of adult males is normally<BR>\n" );
document.write( "distributed with a mean of 138 (millimeters of<BR>\n" );
document.write( "mercury) and a standard deviation of 9.7. What percent<BR>\n" );
document.write( "of adult males have blood pressure between 161.28 and<BR>\n" );
document.write( "164.9?<BR>\n" );
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document.write( "z(161.28) = (161.28-138)/9.7 = 2.4 <BR>\n" );
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document.write( "z(164.9)  = (164.9-138)/9.7 = 2.77<BR>\n" );
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document.write( "P(161.28< x < 164.9) = P(2.40 < z < 2.77)<BR>\n" );
document.write( "Using a TI calculator I get binomcdf(2.4,2.77) = 0.0054<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );