document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1157288>Question 1157288</A>: <I><SPAN STYLE=\"word-break: break-all;\"> In a clinical trial 27 out of 886 patients taking a prescription drug daily complained of flulike symptoms Suppose that it is known that % of patients taking competing drugs complain of symptoms . Is there sufficient evidence to conclude that more than % of this drug's users experience flulike symptoms as a side effect at the a 0.05 level of significance ? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #780151 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=780151\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Need to know what % of patients taking competing drugs.\r<BR>\n" );
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document.write( "To do a test we need to know the mean of the sample (you have that), and the variance (that is known if you know the mean), but you also have to have the mean to which you are comparing it. </SPAN>\n" );
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