document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=265992>Question 265992</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 9) 100 women were polled and 60 reported successfully communicating an automobile problem to an auto repairman. A sample of 150 men had 95 reporting the same success. The value of the test statistic for a test of the equality of proportions is <BR>\n" );
document.write( "	A.<BR>\n" );
document.write( " <BR>\n" );
document.write( "-0.5319.<BR>\n" );
document.write( "	B.<BR>\n" );
document.write( " <BR>\n" );
document.write( "-0.419.<BR>\n" );
document.write( "	C.<BR>\n" );
document.write( " <BR>\n" );
document.write( "0.2702.<BR>\n" );
document.write( "	D.<BR>\n" );
document.write( " <BR>\n" );
document.write( "0.7293.\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #195487 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=195487\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 100 women were polled and 60 reported successfully communicating an automobile problem to an auto repairman. A sample of 150 men had 95 reporting the same success. The value of the test statistic for a test of the equality of proportions is<BR>\n" );
document.write( "z(0.6-95/150) = -0.03333/sqrt((0.6*.4)/100 + (0.6333*0.3667/150)) = -0.5319<BR>\n" );
document.write( "----<BR>\n" );
document.write( "Ans: A<BR>\n" );
document.write( "====================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "====================<BR>\n" );
document.write( " <BR>\n" );
document.write( "A.\r<BR>\n" );
document.write( "\n" );
document.write( "-0.5319.<BR>\n" );
document.write( "B.\r<BR>\n" );
document.write( "\n" );
document.write( "-0.419.<BR>\n" );
document.write( "C.\r<BR>\n" );
document.write( "\n" );
document.write( "0.2702.<BR>\n" );
document.write( "D.\r<BR>\n" );
document.write( "\n" );
document.write( "0.7293. <BR>\n" );
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document.write( "</TD></TR></TABLE>\n" );