document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1182256>Question 1182256</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The red blood cell counts​ (in millions of cells per​ microliter) for a population of adult males can be approximated by a normal​ distribution, with a mean of 5.9  million cells per microliter and a standard deviation of 0.4 million cells per microliter.<BR>\n" );
document.write( "​(a) What is the minimum red blood cell count that can be in the top 23​% of​ counts?\r<BR>\n" );
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document.write( "​(b) What is the maximum red blood cell count that can be in the bottom 14​% of​ counts?\r<BR>\n" );
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document.write( "​(a) The minimum red blood cell count is________ <BR>\n" );
document.write( "nothing million cells per microliter?\r<BR>\n" );
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document.write( "​(Round to two decimal places as​ needed.)<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 #812341 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=812341\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> the 77th percentile for a normal distribution is z=+0.739<BR>\n" );
document.write( "z=(x-mean)/sd  <BR>\n" );
document.write( "0.739=(x-5.9)/0.4<BR>\n" );
document.write( "0.296=x-5.9<BR>\n" );
document.write( "x=6.196 million<BR>\n" );
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document.write( "z(0.14)=-1.080<BR>\n" );
document.write( "-1.080=(x-5.9)/0.4<BR>\n" );
document.write( "-0.432=x-5.9<BR>\n" );
document.write( "x=5.468 million<BR>\n" );
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