document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=949058>Question 949058</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If P(A) = 0.4, P(B) = 0.7, and A and B are independent, find P(A or B)  Please help </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #579321 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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=579321\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> P(A or B) = P(A) + P(B) - P(A and B)\r<BR>\n" );
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document.write( "P(A or B) = P(A) + P(B) - P(A)*P(B) ... this is valid since A and B are independent\r<BR>\n" );
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document.write( "I'll let you finish up. </SPAN>\n" );
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