document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1161983>Question 1161983</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The true proportion of residents at small barangay that favored the genuine opposition senatorial candidates is 85%. What is the probability that at least 75% of the 60 residents favored the genuine opposition? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #785772 by </B><A HREF=/tutors/aboutme.mpl?userid=MOO04182020><B>MOO04182020(3)</B></A><img src=\"/images/stars/iconNewId_16x16.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=MOO04182020><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=MOO04182020><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=785772\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> assume the population has a mean of $29321 with sd 2120<BR>\n" );
document.write( "z=(x bar-mean)/sd<BR>\n" );
document.write( "z<(29000-29321)/2120/sqrt(100)<BR>\n" );
document.write( "<-321*10/2120<BR>\n" );
document.write( "<-1.51<BR>\n" );
document.write( "that probability is 0.0655<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );