document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1198190>Question 1198190</A>: <I><SPAN STYLE=\"word-break: break-all;\"> based on a simple random sample of 100 applicants at st andrew's college, we'd like to estimate the probability that the sample mean of SAT scores will fall within +/-10of the population mean 1697.\r<BR>\n" );
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document.write( "In other words, between 1687 and 1707, given that the population standard deviation of SAT score is 87.4? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #831771 by </B><A HREF=/tutors/aboutme.mpl?userid=ewatrrr><B>ewatrrr(24785)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ewatrrr><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=ewatrrr><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=831771\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=ME+=+z%2Asigma%2Fsqrt%28n%29 ALIGN=MIDDLE  ALT=\"ME+=+z%2Asigma%2Fsqrt%28n%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > <BR>\n" );
document.write( "Or<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=ME%2F%28sigma%2Fsqrt%28n%29%29+=+z ALIGN=MIDDLE  ALT=\"ME%2F%28sigma%2Fsqrt%28n%29%29+=+z\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=z+=10%2F%2887.4%2Fsqrt%28100%29%29+ ALIGN=MIDDLE  ALT=\"z+=10%2F%2887.4%2Fsqrt%28100%29%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 1.1442<BR>\n" );
document.write( "Using Handheld TI or similarly an inexpensive calculator like an Casio fx-115 ES plus<BR>\n" );
document.write( "P (z ≤ 1.1442) = normcdf(-9999,1.1442,1,0) = .8737, the probability of CI(1687,1707)<BR>\n" );
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