document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=997168>Question 997168</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Previously 46% of parents of children in highschool felt it was a serious problem that high school students were not being taught enough math and science. A recent survey found that 388 of 800 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 today? Use the a=0.1 level of significance. <BR>\n" );
document.write( "H0: p=0.46 versus H1: p with line inside equal sign 0.46. <BR>\n" );
document.write( "Use the technology to find the p value and round the p value answer three decimal places.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #615389 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=615389\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Ho: p=0.46<BR>\n" );
document.write( "Ha: p NE 0.46<BR>\n" );
document.write( "alpha=0.01<BR>\n" );
document.write( "Test statistic is one sample proportion z=(phat-p)/sqrt{ {0.46)(0.54)/800}<BR>\n" );
document.write( "Critical value z> |2.576|<BR>\n" );
document.write( "z=0.025/0.0176<BR>\n" );
document.write( "=1.418<BR>\n" );
document.write( "This is a p-value of 0.078<BR>\n" );
document.write( "Fail to reject Ho and insufficient evidence to support the claim that parents feel differently. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );