document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=491066>Question 491066</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If P(A or B) = 0.8, P(A) = 0.8 and P(B) = 0.5, determine P(A and B).\r<BR>\n" );
document.write( "\n" );
document.write( "1. 0.35<BR>\n" );
document.write( "2. 0.50<BR>\n" );
document.write( "3. 0.64<BR>\n" );
document.write( "4. 0.13\r<BR>\n" );
document.write( "\n" );
document.write( "Could I have some help, please?<BR>\n" );
document.write( "  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #334470 by </B><A HREF=/tutors/aboutme.mpl?userid=MathLover1><B>MathLover1(20855)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=MathLover1><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=MathLover1><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=334470\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <BR>\n" );
document.write( "P(A and B) = P(A) + P(B) - P(A U B) =<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+0.80+%2B+0.50+-+.8+=+0.50 ALIGN=MIDDLE  ALT=\"+0.80+%2B+0.50+-+.8+=+0.50\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );