document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=181294>Question 181294</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/9780321460929/algebrahomeworkh></A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> Claim:  The mean time between uses of a TV remote control by males during commercials equals 5.0 seconds.  Find the test statistic, p-value, critical value(s), and state the final conclusion.  \r<BR>\n" );
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document.write( "Sample data:  n = 80, x-bar = 5.25 sec.  Assume that s = 2.50 sec and the significance level is a = .01.  (Use p-value approach)<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 #135937 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=135937\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Claim: The mean time between uses of a TV remote control by males during commercials equals 5.0 seconds. Find the test statistic, p-value, critical value(s), and state the final conclusion. \r<BR>\n" );
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document.write( "Sample data: n = 80, x-bar = 5.25 sec. Assume that s = 2.50 sec and the significance level is a = .01. (Use p-value approach)<BR>\n" );
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document.write( "Comment: You have not indicated if you have been told to use a Z-test<BR>\n" );
document.write( "or a T-test.<BR>\n" );
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document.write( "I'll use Z-test Data:<BR>\n" );
document.write( "critical value for right-tail test with alpha = 1% is z = 2.326<BR>\n" );
document.write( "test statistic: z(5.25) = (5.25-5)/[2.5/(sqrt(80)] = 0.8944..<BR>\n" );
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document.write( "Assuming you are performing a right-tail test, the p-value <BR>\n" );
document.write( "is P(z>0.8944) = 0.1855.. = 18.55%<BR>\n" );
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document.write( "Conclusion: Since p-value is greater than 1%, Fail to reject Ho.<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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