document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1138957>Question 1138957</A>: <I><SPAN STYLE=\"word-break: break-all;\"> In a study of the accuracy of fast food​ drive-through orders, one restaurant had 3636 orders that were not accurate among 306306 orders observed. Use a 0.050.05 significance level to test the claim that the rate of inaccurate orders is equal to​ 10%. Does the accuracy rate appear to be​ acceptable? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #756733 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=756733\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> I'm assuming this is 36 out of 306, which is 11.8%<BR>\n" );
document.write( "Ho; p=.10<BR>\n" );
document.write( "Ha; pNE=.10<BR>\n" );
document.write( "alpha=0.05 p{reject Ho|Ho true}<BR>\n" );
document.write( "test stat is a z=(p hat-p)/sqrt (p*(1-p)/n), use 0.1 for p in Ho<BR>\n" );
document.write( "=0.018/0.0171<BR>\n" );
document.write( "=+1.05<BR>\n" );
document.write( "p-value is twice the z-value of 1.05 or 0.2936 or 0.29 (2-tailed test) </SPAN>\n" );
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