document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1180707>Question 1180707</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A recent survey of 8,000 high school students found that the mean price of a prom dress was $195.00 with a standard deviation of $12.00. Alyssa thinks that her school is more fashion conscious and spent more than $195.00. She collected data from 20 people in her high school and found that the average price spent on a prom dress was $208.00. Which of the following is the correct z-statistic for this situation?<BR>\n" );
document.write( "0.24<BR>\n" );
document.write( "4.84<BR>\n" );
document.write( "7.51<BR>\n" );
document.write( "96.90 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #810459 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=810459\">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=+z+=%28208-195%29%2Fsqrt%2812%5E2%2F8000%2B+12%5E2%2F20%29+ ALIGN=MIDDLE  ALT=\"+z+=%28208-195%29%2Fsqrt%2812%5E2%2F8000%2B+12%5E2%2F20%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 4.838769<BR>\n" );
document.write( " 4.84 your answer </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );