document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1186967>Question 1186967</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The heights of the male students at Wild West College are normally distributed with a mean of 69 inches and a standard deviation of 3.1 inches. If nine male WWC students are chosen at random, find the probability that the mean height of the nine students will exceed 70.6 inches.\r<BR>\n" );
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document.write( "Round your answer to four decimal places. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #820461 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=820461\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> the distribution of the 4 people has mean of 69 inches, same as the population, with sd 3.1/sqrt(9)=1.03 inches<BR>\n" );
document.write( "z=(x-mean)/sd<BR>\n" );
document.write( "=1.6/1.0333<BR>\n" );
document.write( "=1.548<BR>\n" );
document.write( "z> 1.548 with probability of 0.0608. </SPAN>\n" );
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