document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1143257>Question 1143257</A>: <I><SPAN STYLE=\"word-break: break-all;\"> In a large population, 51% of the people have been vaccinated. If 3 people are randomly selected, what is the probability that AT LEAST ONE of them has been vaccinated? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #764038 by </B><A HREF=/tutors/aboutme.mpl?userid=greenestamps><B>greenestamps(13209)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=greenestamps><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=greenestamps><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=764038\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <br><BR>\n" );
document.write( "At least one means NOT none of the three: P(at least one) = 1 - P(none)<br><BR>\n" );
document.write( "P(none) = (1-.51)^3 = .49^3 = .117649<BR>\n" );
document.write( "P(at least one) = 1-.117649 = .882351 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );