document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1077018>Question 1077018</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Previously, 24&#8203;% of parents of children in high school felt it was a serious problem that high school students were not being taught enough math and science. A recent survey found that 68 of 200 parents of children in high school felt it was a serious problem that high school students were not being taught enough math and science. Do parents feel differently&#8203; today? Use the <BR>\n" );
document.write( "&#945;=0.1 level of significance.\r<BR>\n" );
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document.write( "I know the null hypothesis is equal to .24 and the alternative is not equal to .24, but what is the Z0 equal to? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #691607 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=691607\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> alpha=0.1<BR>\n" );
document.write( "test statistic is z with |z|>1,645 is the critical value (z0.95)<BR>\n" );
document.write( "z=(.34-.24)/sqrt p*(1-p)/n; the denominator is sqrt[.24*.76/200]=0.0302<BR>\n" );
document.write( "z=.10/.0302=3.311<BR>\n" );
document.write( "reject Ho, p=0.001 </SPAN>\n" );
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