document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=599699>Question 599699</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 2.	There is adequate information in each of the following to decide whether to reject or fail to reject the null hypothesis.  Carefully examine the statements; you should not have to perform any computations.  <BR>\n" );
document.write( "	What is your decision and explain why.\r<BR>\n" );
document.write( "\n" );
document.write( "	a)	Ho:  &#956; = 120		Let &#945; = 0.05.  Data:  x&#773; = 130.1 for n = 100, P-value = 0.068<BR>\n" );
document.write( "		H1:  &#956; &#8800; 120\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "	b)	Ho:  &#963; = 2.8		Let &#945; = 0.01.  Data:  s = 3.1 for n = 55<BR>\n" );
document.write( "		H1:  &#963; < 2.8\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "	c)	Ho:  p = 0.68		Let &#945; = 0.05.  Data:  p&#770; = 0.69 for n = 32, test statistic z = 0.09095<BR>\n" );
document.write( "		H1:  p > 0.68\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #379076 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=379076\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 2. There is adequate information in each of the following to decide whether to reject or fail to reject the null hypothesis. Carefully examine the statements; you should not have to perform any computations. <BR>\n" );
document.write( "What is your decision and explain why. <BR>\n" );
document.write( "a) Ho: &#956; = 120 Let &#945; = 0.05. Data: x&#773; = 130.1 for n = 100, P-value = 0.068<BR>\n" );
document.write( "H1: &#956; &#8800; 120 <BR>\n" );
document.write( "----<BR>\n" );
document.write( "Ans: p-value is greater than 5% so fail reject Ho.<BR>\n" );
document.write( "------------------------------------------------------------\r<BR>\n" );
document.write( "\n" );
document.write( "b) Ho: &#963; = 2.8 Let &#945; = 0.01. Data: s = 3.1 for n = 55<BR>\n" );
document.write( "H1: &#963; < 2.8<BR>\n" );
document.write( "Ans: No decision as cannot determine test statistic or p-value<BR>\n" );
document.write( "--------------------------------------------------------------- \r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "c) Ho: p = 0.68 Let &#945; = 0.05. Data: p&#770; = 0.69 for n = 32, test statistic z = 0.09095<BR>\n" );
document.write( "H1: p > 0.68<BR>\n" );
document.write( "p-value = P(z > 0.09095) = normalcdf(0.09095,100) = 0.4638<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Since the p-value is greater than 5%, fail to reject Ho.<BR>\n" );
document.write( "====================<BR>\n" );
document.write( "Cheerd,<BR>\n" );
document.write( "Stan H. \r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );