document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1195123>Question 1195123</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The mayor of a community in MA has expressed opposition to having marijuana retail stores in the city. The public may or may not feel differently, and a local polling agency wants to find out. Surveying 580 residents, 310 are in support of allowing a marijuana retail outlet within the city, and 270 are opposed. Based on these data, determine if there is a clear and significant majority viewpoint. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #827564 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=827564\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Ho: p=0.5<BR>\n" );
document.write( "Ha: p NE 0.5<BR>\n" );
document.write( "alpha=0.05 (will use that)prob.{reject Ho|Ho true}<BR>\n" );
document.write( "phat=310/580=0.5345<BR>\n" );
document.write( "z=(0.5345-0.500)/sqrt(0.5*0.5/580)<BR>\n" );
document.write( "=0.0345/0.0207<BR>\n" );
document.write( "=1.67<BR>\n" );
document.write( "fail to reject Ho; insufficient evidence to say support is not 50% in the population.<BR>\n" );
document.write( "p-value 0.096<BR>\n" );
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