document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1131373>Question 1131373</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Kindergarten children have heights that are approximately normally distributed about a mean of 38.3 inches and a standard deviation of 1.6 inches. If a random sample of 27 is taken, what is the probability that the sample of kindergarten children has a mean height of less than 40.5 inches? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #748039 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=748039\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> use z since sd known<BR>\n" );
document.write( "z<(40.5-38.3)/1.6/sqrt(27)<BR>\n" );
document.write( "z<2.2* sqrt(27)/1.6<BR>\n" );
document.write( "z<7.14<BR>\n" );
document.write( "probability is essentially 100%. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );