document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1200659>Question 1200659</A>: <I><SPAN STYLE=\"word-break: break-all;\"> In a survey of 468 registered voters, 152 of them wished to see Mayor Waffleskate lose her next election. The Waffleskate campaign claims that no more than 32% of registered voters wish to see her defeated. Does the 95% confidence interval for the proportion support this claim? (Hint: you should first construct the 95% confidence interval for the proportion of registered voters who whish to see Waffleskate defeated.) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #835006 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=835006\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 95% CI half interval for this uses p hat=152/468=0.3248<BR>\n" );
document.write( "half-interval is 1.96*sqrt(0.3248*0.6752/468)=0.0424<BR>\n" );
document.write( "the full interval to 3 places is (0.282, 0.367), and since 32% is in this interval, the claim cannot be disproven by the CI. </SPAN>\n" );
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