document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=324572>Question 324572</A>: <I><SPAN STYLE=\"word-break: break-all;\"> An ice cream store estimates that the mean consumption of their waffle cones by their customers is more than 3 per year. In a sample of 80 customers, you find that the mean consumption of waffle cones is 4 per year with a standard deviation of 5.0. Let the level of significance be &#945; = 0.06.<BR>\n" );
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document.write( "Decide whether to reject the null hypothesis or fail to reject the null hypothesis. Also interpret the decision in terms of the original claim. Choose two answers below.  <BR>\n" );
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document.write( "A.Fail to reject the null hypothesis <BR>\n" );
document.write( "B.Reject the null hypothesis <BR>\n" );
document.write( "C.At the &#945; = 0.06 level, there is enough evidence to support the ice cream store’s claim. <BR>\n" );
document.write( "D. At the &#945; = 0.06 level, there is not enough evidence to support the ice cream store’s claim. <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 #232306 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=232306\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> An ice cream store estimates that the mean consumption of their waffle cones by their customers is more than 3 per year. In a sample of 80 customers, you find that the mean consumption of waffle cones is 4 per year with a standard deviation of 5.0. Let the level of significance be &#945; = 0.06.<BR>\n" );
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document.write( "Ho: u = 3<BR>\n" );
document.write( "Ha: u > 3 (store estimate)<BR>\n" );
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document.write( "sample mean = 4<BR>\n" );
document.write( "t(4) = (4-3)/5 = 0.2<BR>\n" );
document.write( "p-value for right tail test with df = 79 is tcdf(0.2,100,79) = 0.42<BR>\n" );
document.write( "Note: The p-value is greater than 6% so fail to reject Ho.\r<BR>\n" );
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document.write( "Decide whether to reject the null hypothesis or fail to reject the null hypothesis. Also interpret the decision in terms of the original claim.<BR>\n" );
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document.write( "Choose two answers below.<BR>\n" );
document.write( "A and D<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "stan H.<BR>\n" );
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document.write( "answers<BR>\n" );
document.write( "A.Fail to reject the null hypothesis <BR>\n" );
document.write( "B.Reject the null hypothesis <BR>\n" );
document.write( "C.At the &#945; = 0.06 level, there is enough evidence to support the ice cream store’s claim. <BR>\n" );
document.write( "D. At the &#945; = 0.06 level, there is not enough evidence to support the ice cream store’s claim. <BR>\n" );
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