document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=256632>Question 256632</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hello again, here is another question that I have:\r<BR>\n" );
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document.write( "2.Use the method specified to perform the hypothesis test for the population <BR>\n" );
document.write( "mean &#61549;. A local brewery distributes beer in bottles labeled 32 ounces. A government agency thinks that the brewery is cheating its customers. The agency select 50 of these bottles, measures their contents, and obtains a sample mean of 31.6 ounces with a population standard deviation of 0.70 ounce. At  &#61537; = 0.01, test the agency’s claim that the brewery is cheating its customers\r<BR>\n" );
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document.write( "a.  Use the critical value z0 method from the normal distribution<BR>\n" );
document.write( "1.	H0 : <BR>\n" );
document.write( "Ha : <BR>\n" );
document.write( "2.	&#61537; = this means standar deviation<BR>\n" );
document.write( "3.	Test statistics:  <BR>\n" );
document.write( "4.	P-value or critical z0 or t0. <BR>\n" );
document.write( "5.	Rejection Region:  <BR>\n" );
document.write( "                                 <BR>\n" );
document.write( "6.	Decision:  <BR>\n" );
document.write( "7.	Interpretation: \r<BR>\n" );
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document.write( "b.	Use the P-value method  <BR>\n" );
document.write( "1.	H0 : <BR>\n" );
document.write( "Ha : <BR>\n" );
document.write( "2.	&#61537; = <BR>\n" );
document.write( "3.	Test statistics: <BR>\n" );
document.write( "4.	P-value or critical z0 or t0.  <BR>\n" );
document.write( "5.	Rejection Region: <BR>\n" );
document.write( "                                    <BR>\n" );
document.write( "6.	Decision: <BR>\n" );
document.write( "7.	Interpretation:  \r<BR>\n" );
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document.write( "I don't know what it is about this chapter that I am not getting, please help.<BR>\n" );
document.write( "Thanks<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 #188738 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=188738\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Use the method specified to perform the hypothesis test for the population <BR>\n" );
document.write( "mean &#61549;. A local brewery distributes beer in bottles labeled 32 ounces. A government agency thinks that the brewery is cheating its customers. The agency select 50 of these bottles, measures their contents, and obtains a sample mean of 31.6 ounces with a population standard deviation of 0.70 ounce. At &#61537; = 0.01, test the agency’s claim that the brewery is cheating its customers <BR>\n" );
document.write( "a. Use the critical value z0 method from the normal distribution<BR>\n" );
document.write( "1. H0 : u = 32 <BR>\n" );
document.write( "Ha : u < 32<BR>\n" );
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document.write( "2. &#61537; = this means standard deviation<BR>\n" );
document.write( "3. Test statistics:<BR>\n" );
document.write( "t(31.6) = (31.6-32)/[0.7/sqrt(50)] = -4.0406...<BR>\n" );
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document.write( "4. P-value or critical z0 or t0.<BR>\n" );
document.write( "p-value = P(t<-4.0406 with df = 49) = tcdf(-100,-4.0406,49)=0.00009379<BR>\n" );
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document.write( "5. Rejection Region:<BR>\n" );
document.write( "The left-tail cutoff for 1% in the t-distribution for df=49 is -2.40489..<BR>\n" );
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document.write( "6. Decision: Since the p-value is less than 1% reject Ho.<BR>\n" );
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document.write( "7. Interpretation: This test shows evidence that the brewery is<BR>\n" );
document.write( "cheating its customers.<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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