document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1205118>Question 1205118</A>: <I><SPAN STYLE=\"word-break: break-all;\"> he pregnancy length in days for a population of new mothers can be approximated by a normal distribution with a mean of 265 days and a standard deviation of 11 days.<BR>\n" );
document.write( "(a) What is the minimum pregnancy length that can be in the top 8​% of pregnancy​ lengths?<BR>\n" );
document.write( "​(b) What is the maximum pregnancy length that can be in the bottom ​7% of pregnancy​ lengths? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #841757 by </B><A HREF=/tutors/aboutme.mpl?userid=Theo><B>Theo(13342)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Theo><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=Theo><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=841757\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> the calculator at <a  rel=nofollow HREF= \"https://davidmlane.com/hyperstat/z_table.html\" target = \"_blank\">https://davidmlane.com/hyperstat/z_table.html</a> can help solve this.\r<BR>\n" );
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document.write( "your mean is 265 days and your standard deviation is 11 days.\r<BR>\n" );
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document.write( "(a) What is the minimum pregnancy length that can be in the top 8​% of pregnancy​ lengths?\r<BR>\n" );
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document.write( "that would be approximately 280.456 days.\r<BR>\n" );
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document.write( "here's what it looks like in the calculator.\r<BR>\n" );
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document.write( "​(b) What is the maximum pregnancy length that can be in the bottom ​7% of pregnancy​ lengths?\r<BR>\n" );
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document.write( "that would be approximately 248.766 days.\r<BR>\n" );
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document.write( "here's what it looks like in the calculator.\r<BR>\n" );
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document.write( "you could also solve it manually using z-score tables.\r<BR>\n" );
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document.write( "that take more skill and effort that you don't need to learn unless it's absolutely necessary for your course of instruction.\r<BR>\n" );
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document.write( "if you want help doing it that way, just let me know and i'll give you instructions.\r<BR>\n" );
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document.write( "otherwise, just use the calculator.<BR>\n" );
document.write( "it still takes some knowledge to use it correctly but it's way more easier than trying to do it manually via the tables.\r<BR>\n" );
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document.write( " </SPAN>\n" );
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