document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=833989>Question 833989</A>: <I><SPAN STYLE=\"word-break: break-all;\"> During one month, a blood donation center found that:\r<BR>\n" );
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document.write( "45.8% of donors had the A antigen<BR>\n" );
document.write( "14.2% of donors had the B antigen<BR>\n" );
document.write( " 4.1% of donors had the A antigen and the B antigen<BR>\n" );
document.write( "84.7% of donors were Rh+<BR>\n" );
document.write( "87.2% of the donors had the B antigen or were Rh+\r<BR>\n" );
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document.write( "Find the percent of donors that:<BR>\n" );
document.write( "a. have the A antigen or the B antigen<BR>\n" );
document.write( "b have the B antigen and are Rh+<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 #502772 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=502772\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> During one month, a blood donation center found that: <BR>\n" );
document.write( "45.8% of donors had the A antigen<BR>\n" );
document.write( "14.2% of donors had the B antigen<BR>\n" );
document.write( "4.1% of donors had the A antigen and the B antigen<BR>\n" );
document.write( "84.7% of donors were Rh+<BR>\n" );
document.write( "87.2% of the donors had the B antigen or were Rh+<BR>\n" );
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document.write( "Find the percent of donors that:<BR>\n" );
document.write( "a. P(have the A antigen or the B antigen) = 45.8+14.2 = 60%<BR>\n" );
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document.write( "b P(have the B antigen and are Rh+) = P(B+)+P(Rh+)-P(B+ or Rh+)<BR>\n" );
document.write( "= 45.8+54.7-60 = 40.5%<BR>\n" );
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document.write( "Cheer,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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