document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=427422>Question 427422</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Test the hypothesis using the six step process.\r<BR>\n" );
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document.write( "Ho: p = 0.9 versus H1: p does not equal 0.9 \r<BR>\n" );
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document.write( "n = 500, x = 440, a =0.05<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 #297248 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=297248\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Test the hypothesis using the six step process. <BR>\n" );
document.write( "Ho: p = 0.9 versus <BR>\n" );
document.write( "H1: p does not equal 0.9<BR>\n" );
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document.write( "n = 500, x = 440, a =0.05<BR>\n" );
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document.write( "p-hat = 440/500 = 0.88<BR>\n" );
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document.write( "z(0.88) = (0.90-0.88)/sqrt[0.9*0.1/500] = -1.4907<BR>\n" );
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document.write( "p-value = 2*P(z< -1.4907) = 0.1360<BR>\n" );
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document.write( "Since p-value is greater than 5%, fail to reject Ho.<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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