document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1043208>Question 1043208</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The mean height of a woman in a country (ages 20-29) is 64.4 inches. A random sample of 70 women in this age group is selected. What is the probability that the mean height for the sample is greater than 65 inches? Assume the mean is 2.88.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #658326 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=658326\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The mean height of a woman in a country (ages 20-29) is 64.4 inches. A random sample of 70 women in this age group is selected. What is the probability that the mean height for the sample is greater than 65 inches? Assume the standard<BR>\n" );
document.write( "deviation is 2.88. <BR>\n" );
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document.write( "z(65) = (65-64.4)/[2.88/sqrt(70)] = 1.7430<BR>\n" );
document.write( "P(x > 65) = P(z > 1.7430) = normalcdf(1.7430,100) = 0.0407<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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