document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1174642>Question 1174642</A>: <I><SPAN STYLE=\"word-break: break-all;\"> <BR>\n" );
document.write( "A sample of 400 Male is found to have a mean height 171.40cm.can it be reasonably regarded as a sample from Large population with mean height 171.20cm and standard deviation 3.3? Test at 5% level of significance<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 #800097 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=800097\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> z=(x-mean)/sigma/sqrt(n)\r<BR>\n" );
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document.write( "=(171.4-171.20)/3.3/sqrt(400)<BR>\n" );
document.write( "=0.2*20/3.3<BR>\n" );
document.write( "=1.21<BR>\n" );
document.write( "The probability of z being at or greater than 1.21 is 0.113<BR>\n" );
document.write( "This is greater than 5%, so yes, it is reasonable to regard this sample from that population.  </SPAN>\n" );
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