document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1083837>Question 1083837</A>: <I><SPAN STYLE=\"word-break: break-all;\"> the incidence of occupational disease in an industry is such that the workman has 20 percentage of suffering  from it. what is the probability of that out of five workman selected ?<BR>\n" );
document.write( "1) 2 will contact the disease<BR>\n" );
document.write( "2) none will suffer<BR>\n" );
document.write( "3)3 or more will contact the disease </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #697882 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=697882\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 5C2 or 10 are the number of ways 2 can be selected.<BR>\n" );
document.write( "multiply by 0.2^2*0.8^3=0.2048<BR>\n" );
document.write( "------------<BR>\n" );
document.write( "none is 0.8^5=0.3277<BR>\n" );
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document.write( "3 or more will contact<BR>\n" );
document.write( "1 will is 5*0.2*0.8^4=0.4096 (the expected value)<BR>\n" );
document.write( "0,1,2 add to 0.93=421, so 3,4,5 are 0.0579.<BR>\n" );
document.write( "Can check by <BR>\n" );
document.write( "3: 10*0.2^3*0.8^2=0.0512<BR>\n" );
document.write( "4:5*0.2^4*0.8=0.0064<BR>\n" );
document.write( "5:0.2^5=0.0003<BR>\n" );
document.write( "add to 0.0579 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );