document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=785450>Question 785450</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The height of an adult male is known to be normally distributed with a mean of 175 cm and a standard deviation of 6 cm. What must the height of a doorway be, such that 99 percent of adult males can pass through it without having to bend? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #477548 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=477548\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The height of an adult male is known to be normally distributed with a mean of 175 cm and a standard deviation of 6 cm. What must the height of a doorway be, such that 99 percent of adult males can pass through it without having to bend?<BR>\n" );
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document.write( "Find the z-value with a left tail of 99%.<BR>\n" );
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document.write( "invNorm(0.99) = 2.3263<BR>\n" );
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document.write( "Find the corresponding \"x\" value::<BR>\n" );
document.write( "x = z*s + u<BR>\n" );
document.write( "x = 2.3263*6 +175<BR>\n" );
document.write( "x = 188.96 cm<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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