document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=310570>Question 310570</A>: <I><SPAN STYLE=\"word-break: break-all;\"> P(A)=0.31<BR>\n" );
document.write( "P(B given A)=0.8<BR>\n" );
document.write( "P(A and B)=(help) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #222065 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=222065\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> P(A)= 0.31<BR>\n" );
document.write( "P(B | A)= 0.8<BR>\n" );
document.write( "P(A and B)= ?<BR>\n" );
document.write( "=========================<BR>\n" );
document.write( "p(B | A) = P(A and B)/P(A)<BR>\n" );
document.write( "----<BR>\n" );
document.write( "So, P(A and B) = P(B | A)*P(A)<BR>\n" );
document.write( "= 0.8*0.31 <BR>\n" );
document.write( "= 0.248<BR>\n" );
document.write( "=============<BR>\n" );
document.write( "cheers,<BR>\n" );
document.write( "stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );