document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=23259>Question 23259</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Can you help me with this probability problem:<BR>\n" );
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document.write( "If P(A or B)=0.60 and P(A)=0.20, solve for P(B):<BR>\n" );
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document.write( "(a) Find P(B) given that events A and B are mutually exclusive -- The answer I figured out was 0.40.<BR>\n" );
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document.write( "Now I need help with this one:<BR>\n" );
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document.write( "(b) Find P(B) given that events A and B are independent.<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 #11987 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=11987\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1st question:  If events A and B are mutually exclusive,<BR>\n" );
document.write( "   P(A or B) = P(A) + P(B)<BR>\n" );
document.write( "      0.60   =  0.20 + P(B)<BR>\n" );
document.write( "      P(B) = 0.40<BR>\n" );
document.write( "    If events A and B are not mutually exclusive you <BR>\n" );
document.write( "    cannot tell what the answer is.\r<BR>\n" );
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document.write( "2nd question: <BR>\n" );
document.write( "   You are correct.\r<BR>\n" );
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document.write( "3rd question:<BR>\n" );
document.write( "   If P(A) = 0.20 and P(A or B)= 0.60, and if A and B<BR>\n" );
document.write( "   are independent you can't tell what P(B) is.\r<BR>\n" );
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document.write( "I think you are not posting these questions the way <BR>\n" );
document.write( "they are stated in your text.  Try posting again.  </SPAN>\n" );
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