document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1149900>Question 1149900</A>: <I><SPAN STYLE=\"word-break: break-all;\"> one-fifth of all jellybeans are black. A random sample of ten jellybeans is chosen.  <BR>\n" );
document.write( "What is the probability that this sample contains exactly two jellybeans? <BR>\n" );
document.write( "What is the probability that it contains fewer than two black beans?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #771398 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=771398\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> binomial with n=10 p=0.2<BR>\n" );
document.write( "exactly 2 is 10C2*0.2^2*0.8^8=0.3020<BR>\n" );
document.write( "fewer than 2 include 0 and 1<BR>\n" );
document.write( "probability of 0 is 0.8^10=0.1074<BR>\n" );
document.write( "probability of 1 is 10*0.2*0.8^9, the 10 being the number of ways it can happen=0.2684\r<BR>\n" );
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document.write( "that is the sum of those two values or 0.3758<BR>\n" );
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