document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1204164>Question 1204164</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Engineers must consider the breadths of male heads when designing helmets. The company researchers have determined that the population of potential clientele have head breadths that are normally distributed with a mean of 5.7-in and a standard deviation of 0.9-in. Due to financial constraints, the helmets will be designed to fit all men except those with head breadths that are in the smallest 2.2% or largest 2.2%.<BR>\n" );
document.write( "What is the minimum head breadth that will fit the clientele? <BR>\n" );
document.write( "min =\r<BR>\n" );
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document.write( "What is the maximum head breadth that will fit the clientele? <BR>\n" );
document.write( "Max= </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #840419 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=840419\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> for 2.2% on either side, this is a z=-2.015 and z=2.015<BR>\n" );
document.write( "distance from the mean is z*sigma or 2.015*0.9=1.8135 in or 1.81 inches<BR>\n" );
document.write( "the minimum is 3.89 in, the maximum is 7.51 inches <BR>\n" );
document.write( "can check with normalcdf (3.89,7.51,5.7,0.9)<BR>\n" );
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