document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=350181>Question 350181</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Only 4% of people have Type AB <BR>\n" );
document.write( "blood. A bloodmobile has 12 vials of blood on a rack. If the dis- <BR>\n" );
document.write( "tribution of blood types at this location is consistent with the <BR>\n" );
document.write( "general population, what’s the probability they find AB blood in:\r<BR>\n" );
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document.write( "a) None of the 12 samples? <BR>\n" );
document.write( "b) At least 2 samples? <BR>\n" );
document.write( "c) 3 or 4 samples?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #250298 by </B><A HREF=/tutors/aboutme.mpl?userid=edjones><B>edjones(8007)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=edjones><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=edjones><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=250298\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let x=.04 and y=.96<BR>\n" );
document.write( "expand (x+y)^12<BR>\n" );
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document.write( "a) y^12=.6127<BR>\n" );
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document.write( "b) 12xy^11+y^12=.9191<BR>\n" );
document.write( "1-.9191=.0809<BR>\n" );
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document.write( "c) 12C3=220, 12C4=495<BR>\n" );
document.write( "220x^3y^9+495x^4y^8=.0106<BR>\n" );
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document.write( "Ed </SPAN>\n" );
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