document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1197266>Question 1197266</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Which of the following is _not_ a correct way to state a null hypothesis?<BR>\n" );
document.write( "Select one:<BR>\n" );
document.write( "a. H0: p = .5<BR>\n" );
document.write( "b. H0: µd = 10<BR>\n" );
document.write( "c. H0: pˆ1 − pˆ2 = 0 (Sample statistics do not go into hypotheses)<BR>\n" );
document.write( "d. H0: µ1 − µ2 = 0<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #830482 by </B><A HREF=/tutors/aboutme.mpl?userid=math_tutor2020><B>math_tutor2020(3817)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=math_tutor2020><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=830482\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <font color=black size=3><BR>\n" );
document.write( "If choice C says <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\Large H_0: \hat{p}_1-\hat{p}_2 = 0\"> then choice C is the answer, as it's not a correct way to state the null hypothesis. \r<BR>\n" );
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document.write( "As you mentioned, sample statistics do NOT go into the hypothesis. We don't need to make an educated guess about sample statistics because we already can calculate them quite easily.\r<BR>\n" );
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document.write( "The symbol <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\Large \hat{p}\"> is read as \"p hat\" since the letter \"p\" has a little hat over top.<BR>\n" );
document.write( "phat is the sample proportion<BR>\n" );
document.write( "phat estimates the population proportion p\r<BR>\n" );
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document.write( "If choice C said<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\Large H_0: p_1-p_2 = 0\"><BR>\n" );
document.write( "without the hat portions, then it would be a valid hypothesis since we're making an educated guess about the difference of population proportions p1 and p2<BR>\n" );
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