document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1195821>Question 1195821</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Shree Ganga Taploo University bookstore claims that 50% of its customers are satisfied with<BR>\n" );
document.write( "the service and prices.<BR>\n" );
document.write( "If this claim is true, what is the probability that in a random sample of 600 customers less<BR>\n" );
document.write( "than 45% are satisfied with services and price? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #828392 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=828392\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> z=(p hat-p)/sqrt (p*(1-p)/n)<BR>\n" );
document.write( "=-0.05/sqrt(0.25/500)<BR>\n" );
document.write( "=-0.05/0.0224<BR>\n" );
document.write( "=-2.24<BR>\n" );
document.write( "The probability of z< -2.24 is 0.0125\r<BR>\n" );
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document.write( " </SPAN>\n" );
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