document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=241852>Question 241852</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A sample of n = 100 observation drawn from a normal population , with standard deviation of 200 and mean of 1000. find probalilty that mean is greater than 1100.<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 #177126 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=177126\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A sample of n = 100 observation drawn from a normal population , with standard deviation of 200 and mean of 1000. find the probabilty the sample  mean is greater than 1100.<BR>\n" );
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document.write( "Find the z-value of 1100.<BR>\n" );
document.write( "z(1100) = (1100-1000)/[200/sqrt(100)] = 100/[200/10]<BR>\n" );
document.write( "= 100/20 = 5<BR>\n" );
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document.write( "P(x > 1100) = P(z > 5) = 0.00000028710..<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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