document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=630774>Question 630774</A>: <I><SPAN STYLE=\"word-break: break-all;\"> <BR>\n" );
document.write( "The American Water Works Association reports that the per capita water use in a single family home is 70 gallons per day. Legacy Ranch is a relatively new housing development consisting of 100 homes. The builders installed more efficient water fixtures, such as low flush toilets, and subsequently conducted a survey of the residences. Thirty-six homes responded, and the sample mean water use per day was 68 gallons with a standard deviation of 7.8 gallons per day.<BR>\n" );
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document.write( "At the .05 level of significance, is that enough evidence to conclude that residents of Legacy Ranch use less water on average?<BR>\n" );
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document.write( "(a)<BR>\n" );
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document.write( "What is the decision rule? (Negative amount should be indicated by a minus sign. Round your answer to 3 decimal places.)<BR>\n" );
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document.write( "  Reject H0 : &#956; &#8805; 70 and fail to reject H1 : &#956; < 70 when the test statistic is less than more than  .<BR>\n" );
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document.write( "(b)<BR>\n" );
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document.write( "The value of the test statistic is . (Negative amount should be indicated by a minus sign. Round your answer to 2 decimal places.)<BR>\n" );
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document.write( "(c)<BR>\n" );
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document.write( "What is your decision regarding H0?<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 #397145 by </B><A HREF=/tutors/aboutme.mpl?userid=richwmiller><B>richwmiller(17219)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richwmiller><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=richwmiller><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=397145\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Clear out the dead space. This question is long enough with out the blank spaces. </SPAN>\n" );
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