document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=950159>Question 950159</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Consider a normal population with &#956; = 47 and &#963; = 5.2. Calculate the z-score for an x of 45.7 from a sample of size 25. (Give your answer correct to two 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 #580168 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=580168\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Consider a normal population with &#956; = 47 and &#963; = 5.2. Calculate the z-score for an x of 45.7 from a sample of size 25.<BR>\n" );
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document.write( "Note: The fact that you have designated x = 45.7 means<BR>\n" );
document.write( "it is a population element and not a sample mean.<BR>\n" );
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document.write( "If you meant it to be a sample mean you should designate it as x-bar.<BR>\n" );
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document.write( "z(45.7) = (45.7-47)/5.2 = -0.25<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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