document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1075628>Question 1075628</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Could someone explain how I should answer these?\r<BR>\n" );
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document.write( "For questions 1-3, write the null and alternative hypothesis.\r<BR>\n" );
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document.write( "1. A fitness center is running a discounted membership fee.  Did the discount increase the membership sales? Write your hypotheses mathematically.\r<BR>\n" );
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document.write( "2. A medical researcher gave 100 patients a new drug to see if it reduces their blood pressure?  Did the new drug reduce the patients' blood pressure?  Write your hypothesis mathematically.\r<BR>\n" );
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document.write( "3.Some students took a conflict resolution class?  Did this class help to reduce the number of conflicts that the students were involved in?  Write your hypothesis mathematically.\r<BR>\n" );
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document.write( "Could someone also show me how to work this out?<BR>\n" );
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document.write( "find the critical value.\r<BR>\n" );
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document.write( "4. The average weight of a newborn at a particular hospital is 96 ounces with a standard deviation of 3 ounces.  Find the critical value for a newborn who is 2 standard deviations below the average weight.<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 #690286 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=690286\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1.Ho: sales decreased or remained the same. x<=<BR>\n" );
document.write( "Ha: sales increased. x><BR>\n" );
document.write( "2. Ho: The blood pressure remained the same or increased.<BR>\n" );
document.write( "Ha: the blood pressure decreased.<BR>\n" );
document.write( "3. Ho: the number of conflicts stayed the same or increased.<BR>\n" );
document.write( "Ha: the number of conflicts decreased.<BR>\n" );
document.write( "In all cases, both hypotheses together should cover all possibilities without overlap. The null hypothesis typically shows no change or no change or worse.  The alternative hypothesis is everything else.<BR>\n" );
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document.write( "mean -2 sd is the critical value, which is 96-3(2)=90 oz the critical value.\r<BR>\n" );
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