document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=919702>Question 919702</A>: <I><SPAN STYLE=\"word-break: break-all;\"> There are two tests for a particular antibody. Test A gives a correct result 95% of the time. Test B is accurate 89% if the time. If a patient is given both tests, find the probability that: \r<BR>\n" );
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document.write( "At least one of the tests gives the correct result.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #557895 by </B><A HREF=/tutors/aboutme.mpl?userid=ewatrrr><B>ewatrrr(24785)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ewatrrr><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=ewatrrr><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=557895\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> pA(correct) = .95, pB(correct) = .89<BR>\n" );
document.write( "patient is given both tests<BR>\n" );
document.write( "P(at least one correct) = 1 - P(neither correct) = 1 - (.05)(.11) = 1 - .0055 = . 9945 0r 99.45% </SPAN>\n" );
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