document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=465601>Question 465601</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Problem 9.52 <BR>\n" );
document.write( "At Ajax Spring Water, a half-liter bottle of soft drink is supposed to contain a mean of 520 ml. The filling process follows a normal distribution with a known process standard deviation of 4 ml.\r<BR>\n" );
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document.write( "A) Which sampling distribution would you use if random supplies of 10 bottles are to be weighed? <BR>\n" );
document.write( "B) Set up hypotheses and a two-tailed decision rule for the correct mean using the 5% level of significance. <BR>\n" );
document.write( "C) If sample of 16 bottles shows a mean fill of 515ml, does this contradict the hypothesis that the true mean is 520ml? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #319039 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=319039\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> At Ajax Spring Water, a half-liter bottle of soft drink is supposed to contain a mean of 520 ml. The filling process follows a normal distribution with a known process standard deviation of 4 ml.<BR>\n" );
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document.write( "A) Which sampling distribution would you use if random supplies of 10 bottles are to be weighed?<BR>\n" );
document.write( "I'll leave that to you.<BR>\n" );
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document.write( "B) Set up hypotheses and a two-tailed decision rule for the correct mean using the 5% level of significance.<BR>\n" );
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document.write( "Ho: u = 520 ml<BR>\n" );
document.write( "Ha: u is not 520 ml<BR>\n" );
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document.write( "Reject Ho is the test statistic is greater than 1.96 or less than -1.96<BR>\n" );
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document.write( "C) If sample of 16 bottles shows a mean fill of 515ml, does this contradict the hypothesis that the true mean is 520ml?<BR>\n" );
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document.write( "t(515) = (515-520)/[s/sqrt(16)] <BR>\n" );
document.write( "Comment: No standard deviation is given so no conclusion is possible.<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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