document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1159211>Question 1159211</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Suppose that 69% of all college seniors have a job prior to graduation. If a random sample of 50 college seniors is taken, approximate the probability that more than 37 have a job prior to graduation. <BR>\n" );
document.write( "Use the normal approximation to the binomial with a correction for continuity. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #782184 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=782184\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> mean is np=50*0.69=34.5<BR>\n" );
document.write( "variance is np(1-p)=34.5*0.31=10.695<BR>\n" );
document.write( "sd is sqrt(V)=3.27\r<BR>\n" );
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document.write( "want a z-value. More than 37 means start greater than 37 and the continuity correction factor has that at 37.5 and greater<BR>\n" );
document.write( "z>(37.5-34.5)/3.27<BR>\n" );
document.write( "z>3/3.27 =0.92<BR>\n" );
document.write( "probability z>0.92 is 0.1795\r<BR>\n" );
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document.write( "(exact value is 0.1803)<BR>\n" );
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