document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1176408>Question 1176408</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Use the normal distribution of SAT critical reading scores for which the mean is 509 and the standard deviation is 118. Assume the variable x is normally distributed.\r<BR>\n" );
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document.write( "(a) What percent of the SAT verbal scores are less than 675?<BR>\n" );
document.write( "(b) If 1000 SAT verbal scores are randomly selected, about how many would you expect to be greater than 550? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #803392 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=803392\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> z <(x-mean)/.sd<BR>\n" );
document.write( "or < (675-509)/118<BR>\n" );
document.write( "or < 1.407<BR>\n" );
document.write( "that probability is 0.9203<BR>\n" );
document.write( "92.0%<BR>\n" );
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document.write( "z>(550-509)/118 or >41/118 or >0.347<BR>\n" );
document.write( "that probability is 0.3641<BR>\n" );
document.write( "or 364 of the 1000. </SPAN>\n" );
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