document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1131782>Question 1131782</A>: <I><SPAN STYLE=\"word-break: break-all;\"> In a school, three out of one thousand students reacted to a newly manufactured vaccine against an endemic disease. If 2000 students were treated with this vaccine, find the probability that:<BR>\n" );
document.write( "(i) Exactly one student reacts to the vaccine<BR>\n" );
document.write( "(ii) At most one student reacts to the vaccine  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #748466 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=748466\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> For 2000,<BR>\n" );
document.write( "Binomial 2000C1(.003)^1*(0.997)^1999=0.0049\r<BR>\n" );
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document.write( "At most 1 student reacts, get the probability of 0 students, which is 0.997^2000=0.0025<BR>\n" );
document.write( "That is 0.0074 when added. </SPAN>\n" );
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