document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=367477>Question 367477</A>: <I><SPAN STYLE=\"word-break: break-all;\"> What critical region(s) for z would be used to test the hypotheses: H0:µ and Ha:µ&#8800;10,for &#945; = 0.025 ?\r<BR>\n" );
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document.write( "State the null hypothesis Ho and the alternative hypothesis Ha that would be used for a hypothesis test related to each of the following statements: \r<BR>\n" );
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document.write( "The mean weight of packages shipped on Air Express during the past month was less than 36.7 lb. <BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #261950 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=261950\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> What critical region(s) for z would be used to test the hypotheses: <BR>\n" );
document.write( "H0:µ = 10 <BR>\n" );
document.write( "Ha:µ is not equal to 10,<BR>\n" );
document.write( "for alpha = 0.025 ?<BR>\n" );
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document.write( "Ha implies you have a two-tail test<BR>\n" );
document.write( "That gives you two tails with alpha/2 = 0.0125<BR>\n" );
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document.write( "The z-values with a left/right tail of 0.0125 = +-2.2414<BR>\n" );
document.write( "I used a TI-84 to get those values: \"invNorm(0.0125)\"  <BR>\n" );
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document.write( "CV: z< -2.2414 or z > +2.2414<BR>\n" );
document.write( "That means you will reject Ho if z< -2.2414 or z> 2.2414<BR>\n" );
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document.write( "State the null hypothesis Ho and the alternative hypothesis Ha that would be used for a hypothesis test related to each of the following statements: <BR>\n" );
document.write( "The mean weight of packages shipped on Air Express during the past month was less than 36.7 lb.<BR>\n" );
document.write( "Ho: u >= 36.7<BR>\n" );
document.write( "Ha: u < 36.7<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. \r<BR>\n" );
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