document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=516515>Question 516515</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 2. Approximately 20% of the 200 independent lumber retailers in North Idaho accept American Express. In a sample of 50 stores selected at random, what is the probability that more than 27% of the stores will accept American Express?\r<BR>\n" );
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document.write( "I need to see the proper formula for this problem.  I am completely baffled as to where i should start. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #344517 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=344517\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Approximately 20% of the 200 independent lumber retailers in North Idaho accept American Express. In a sample of 50 stores selected at random, what is the probability that more than 27% of the stores will accept American Express? <BR>\n" );
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document.write( "More than 27% of 50 is at least 14<BR>\n" );
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document.write( "P(14 <= x <= 50) = 1-binomcdf(50,0.2,13) = 0.1106<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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