document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1050287>Question 1050287</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If someone could assist with this I would be eternally grateful:\r<BR>\n" );
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document.write( "Previously, an organization reported that teenagers spent 4.5 hours per week, on average, on the phone. The organization thinks that, currently, the mean is higher. Fifteen randomly chosen teenagers were asked how many hours per week they spend on the phone. The sample mean was 4.75 hours with a sample standard deviation of 2.0. Conduct a hypothesis test.\r<BR>\n" );
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document.write( "The null and alternative hypotheses are:\r<BR>\n" );
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document.write( "a. Ho: x ¯ = 4.5, Ha : x ¯ > 4.5<BR>\n" );
document.write( "b. Ho: &#956; &#8805; 4.5, Ha: &#956; < 4.5<BR>\n" );
document.write( "c. Ho: &#956; = 4.75, Ha: &#956; > 4.75<BR>\n" );
document.write( "d. Ho: &#956; = 4.5, Ha: &#956; > 4.5\r<BR>\n" );
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document.write( "Thank you! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #665851 by </B><A HREF=/tutors/aboutme.mpl?userid=ewatrrr><B>ewatrrr(24785)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ewatrrr><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=ewatrrr><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=665851\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Ho: &#956; = 4.5 Claim<BR>\n" );
document.write( "Ha: &#956; > 4.5 (As Your x&#772; was > 4.5) </SPAN>\n" );
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