document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1195514>Question 1195514</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A group of 15 individuals is used for a biological case study. The group contains 3 people with blood type O, 5 with blood type A, 4 with blood type B, and 3 with blood type AB. What is the probability that a random sample of 7 will contain 2 persons with blood type O, 2 persons with blood type A, 2 persons with blood type B, and 1 person with blood type  AB?\r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #828025 by </B><A HREF=/tutors/aboutme.mpl?userid=greenestamps><B>greenestamps(13200)</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=828025\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <br><PRE STYLE=\"white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;\">\r\n" );
document.write( "        number of favorable outcomes\r\n" );
document.write( "  P = ---------------------------------\r\n" );
document.write( "      total number of possible outcomes</PRE><BR>\n" );
document.write( "The favorable outcomes are choosing 2 of the 3 people with type O, AND 2 of the 5 with type A, AND 2 of the 4 with type B, AND 1 of the 3 with type AB:<br><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=C%283%2C2%29%2AC%285%2C2%29%2AC%284%2C2%29%2AC%283%2C1%29 ALIGN=MIDDLE  ALT=\"C%283%2C2%29%2AC%285%2C2%29%2AC%284%2C2%29%2AC%283%2C1%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><br><BR>\n" );
document.write( "The possible outcomes are choosing any 7 of the 15 people:<br><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=C%2815%2C7%29 ALIGN=MIDDLE  ALT=\"C%2815%2C7%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><br><BR>\n" );
document.write( "ANSWER: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28C%283%2C2%29%2AC%285%2C2%29%2AC%284%2C2%29%2AC%283%2C1%29%29%2FC%2815%2C7%29 ALIGN=MIDDLE  ALT=\"%28C%283%2C2%29%2AC%285%2C2%29%2AC%284%2C2%29%2AC%283%2C1%29%29%2FC%2815%2C7%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><br><BR>\n" );
document.write( "Use a calculator....<br><BR>\n" );
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