document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=641101>Question 641101</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A coin that is balanced should come up heads half the time in the long run.  The population for coin tossing contains the results of tossing the coin forever.  The parameter p os the probability of a head, which is the proportion of all tosses that give a head.  A coin is tossed 4040 times and gives 2085 heads.  Is the coin biased?  Use alpha =.05 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #403540 by </B><A HREF=/tutors/aboutme.mpl?userid=reviewermath><B>reviewermath(1029)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=reviewermath><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/cgi-bin/show-face.mpl?user=reviewermath><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=403540\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Is this HW # 8 Question 4?\r<BR>\n" );
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document.write( "Solution:<BR>\n" );
document.write( "H0: p = 0.5<BR>\n" );
document.write( "H1: p &#8800; 0.5\r<BR>\n" );
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document.write( "Test Stat, z = 2.0453<BR>\n" );
document.write( "Critical Values: ±1.96<BR>\n" );
document.write( "p-value = 0.0408\r<BR>\n" );
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document.write( "Reject the Null Hypothesis because the p-value is less than 0.05.<BR>\n" );
document.write( "There is enough evidence to support the claim that the coin is biased.<BR>\n" );
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