document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=261119>Question 261119</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Suppose that in the US the number of type O blood and type A blood are approximately the same. The<BR>\n" );
document.write( "number of people with type B is 1/10 of those with type A and twice the number with type AB, Find the probablity that a randomly selcted individual is of type AB </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #192896 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=192896\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Suppose that in the US the number of type O blood and type A blood are approximately the same. <BR>\n" );
document.write( "The number of people with type B is 1/10 of those with type A and twice the number with type AB, <BR>\n" );
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document.write( "Find the probablity that a randomly selected individual is of type AB<BR>\n" );
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document.write( "Equations:<BR>\n" );
document.write( "O = A<BR>\n" );
document.write( "B = (1/10)A<BR>\n" );
document.write( "B = 2[ab]<BR>\n" );
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document.write( "Rearrange:<BR>\n" );
document.write( "ab = (1/2)B<BR>\n" );
document.write( "ab = (1/2)(1/10)A = (1/20)A<BR>\n" );
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document.write( "So,<BR>\n" );
document.write( "B = 2(ab)<BR>\n" );
document.write( "A = O = 20(ab)<BR>\n" );
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document.write( "If ab = 1 then A = O = 20, and B = 2<BR>\n" );
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document.write( "Total = 20 + 20 + 2 + 1 = 43<BR>\n" );
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document.write( "P(ab) = 1/43<BR>\n" );
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document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );