document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=424643>Question 424643</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Determining null and alternative hypotheses<BR>\n" );
document.write( "An independent consumer group published its finding that the lifetimes of electric bulbs manufactured by BIG Corporation are approximately normally distributed with a mean of  days and a standard deviation of . BIG Corporation claims that the standard deviation of its electric bulbs is less than . Suppose that we want to carry out a hypothesis test to see if BIG Corporation's claim is correct. State the null hypothesis  and the alternative hypothesis  that we would use for this test. \r<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 #295949 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=295949\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Numbers are missing from your post.<BR>\n" );
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