document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=187760>Question 187760</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I have a problem in my statistics home work. I ask this question before but I missed a very important part.Here is the whole question:\r<BR>\n" );
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document.write( "In a recent poll it was found that 43% of registered U.S. voters would vote for the incumbent president. If 100 registered voters were sampled randomly, it was found that 35% would vote of the incumbent. Test the claim that the actual proportion is 43% the level of singifiance is 0.01<BR>\n" );
document.write( "Ho:<BR>\n" );
document.write( "Ha:<BR>\n" );
document.write( "alpha=<BR>\n" );
document.write( "Test statistics:<BR>\n" );
document.write( "P-value or critical Zo or to.<BR>\n" );
document.write( "Rejection region:\r<BR>\n" );
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document.write( "Decision:<BR>\n" );
document.write( "Interpretation:\r<BR>\n" );
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document.write( "I would like to thank you in advance for your help.\r<BR>\n" );
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document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #140762 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=140762\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> In a recent poll it was found that 43% of registered U.S. voters would vote for the incumbent president. If 100 registered voters were sampled randomly, it was found that 35% would vote of the incumbent. Test the claim that the actual proportion is 43% the level of singifiance is 0.01<BR>\n" );
document.write( "Ho: p = 0.43<BR>\n" );
document.write( "Ha: p is not equal to 0.43<BR>\n" );
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document.write( "alpha=1%<BR>\n" );
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document.write( "Test statistics: z(0.35) = (0.35-0.43)/sqrt[0.43*0.57/100] = -1.6159<BR>\n" );
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document.write( "P-value or critical Zo or to.: z*= +/-2.576<BR>\n" );
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document.write( "Rejection region: z<-2.576 ; z > 2.576<BR>\n" );
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document.write( "Decision: Since the test satistic is not in the rejection interval(s),<BR>\n" );
document.write( "Fail to reject Ho<BR>\n" );
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document.write( "Interpretation:<BR>\n" );
document.write( "The test results provide evidence for Ho, that 43% of registered U.S. voters would vote for the incumbent president.<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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