document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1160381>Question 1160381</A>: <I><SPAN STYLE=\"word-break: break-all;\"> if p(a)=11/20, p(a and b)=77/400, and p(a or b)=283/400, what does p(not b) equal? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #783689 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=783689\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> P(A)=11/20<BR>\n" );
document.write( "P(A)+P(B)-P(AandB)=P(A or B)<BR>\n" );
document.write( "11/20+ P(B)-77/400=283/400<BR>\n" );
document.write( "220/400+P(B)=360/400<BR>\n" );
document.write( "P(B)=140/400=0.35<BR>\n" );
document.write( "P(not B)=0.65 </SPAN>\n" );
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