document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1177345>Question 1177345</A>: <I><SPAN STYLE=\"word-break: break-all;\">  Science fiction novels average 290 pages in length.  The average length of 10 randomly chosen novels written by I. M. Wordy was 365 pages in length with a standard deviation of 50.  At a = 0.05 are Wordy's novels significantly longer than the average science fiction novel?<BR>\n" );
document.write( "a) State the hypothesis\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "b) Find Critical Value\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "c) Find Test Value\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "d) Make a decision\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "e) Summarize your results  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #806447 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=806447\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Ho: Wordy is >290<BR>\n" );
document.write( "Ha: Wordy is <=290<BR>\n" );
document.write( "test is a t 0.95, df=9<BR>\n" );
document.write( "critical value is t> 1.833<BR>\n" );
document.write( "test is t=(365-290)/50/sqrt(10)<BR>\n" );
document.write( "t=75*sqrt(10)/50<BR>\n" );
document.write( "=4.74<BR>\n" );
document.write( "reject Ho and conclude the novels are longer than 290 pages, p-value 0.0005. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );