document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1077654>Question 1077654</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 8.1 #6<BR>\n" );
document.write( "Suppose the lengths of the pregnancies of a certain animal are approximately normally distributed with mean &#956;=176 days and &#963;=9 days. <BR>\n" );
document.write( "A: What is the probability that a randomly selected pregnancy lasts less than 173 days?<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 #692149 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=692149\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> It would be a z < (173-176)/9 or z< (-1/3)<BR>\n" );
document.write( "That probability is 0.3694 </SPAN>\n" );
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