document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=325019>Question 325019</A>: <I><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%.  Let level of significance = 0.01. (Round phat to 2 decimal places.)\r<BR>\n" );
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document.write( "1.	H0 : <BR>\n" );
document.write( "        Ha : <BR>\n" );
document.write( "2.	Level of significance = <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( "6.      Decision:  <BR>\n" );
document.write( "7.	Interpretation: \r<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 #232741 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=232741\">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. <BR>\n" );
document.write( "If 100 registered voters were sampled randomly, it was found that 35% would vote of the incumbent. <BR>\n" );
document.write( "Test the claim that the actual proportion is 43%. Let level of significance = 0.01. (Round phat to 2 decimal places.) \r<BR>\n" );
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document.write( "1. <BR>\n" );
document.write( "H0 : p = 0.43 <BR>\n" );
document.write( "Ha : p is not 0.43<BR>\n" );
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document.write( "2. Level of significance = 1%<BR>\n" );
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document.write( "3. Test statistics: z(0.35) = (0.35-0.43)/sqrt(0.43*0.57/100) = -16.16<BR>\n" );
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document.write( "4. P-value or critical z0 or t0.<BR>\n" );
document.write( "p-value = 2*P(z< -16.16) = zero to 4 decimal places<BR>\n" );
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document.write( "5. Rejection Region: z< -2.5758 and z> 2.5758<BR>\n" );
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document.write( "6. Decision: Reject Ho.<BR>\n" );
document.write( "Test results do not support claim that p = 0.43.<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. <BR>\n" );
document.write( "7. Interpretation: <BR>\n" );
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