document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=240984>Question 240984</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Compute the test statistic used to test the null hypothesis that p1 = p2.\r<BR>\n" );
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document.write( "In a vote on the Clean Water bill, 53% of the 205 Democrats voted for the bill while 51% of the 230 Republicans voted for it. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #176522 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=176522\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Compute the test statistic used to test the null hypothesis that p1 = p2. <BR>\n" );
document.write( "In a vote on the Clean Water bill, 53% of the 205 Democrats voted for the bill while 51% of the 230 Republicans voted for it.<BR>\n" );
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document.write( "Ho: p1-p2 = 0<BR>\n" );
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document.write( "ts = (0.53-0.51)/sqrt[(0.53*0.47)/205 + (0.51*0.49/230)] <BR>\n" );
document.write( "= 0.02/0.0480<BR>\n" );
document.write( "= 0.4169<BR>\n" );
document.write( "==============<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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