document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=400557>Question 400557</A>: <I><SPAN STYLE=\"word-break: break-all;\"> ____________________________<BR>\n" );
document.write( "|category|easy|difficult|\r<BR>\n" );
document.write( "\n" );
document.write( "|music||||0.2||0.15|<BR>\n" );
document.write( "|sport||||0.2||0.1|<BR>\n" );
document.write( "|history||0.1||0.05|<BR>\n" );
document.write( "|nature|||0.15|0.05|<BR>\n" );
document.write( "____________________________\r<BR>\n" );
document.write( "\n" );
document.write( "(a) i am goint to take one card at random from the box.<BR>\n" );
document.write( "what is the probability that it will be:\r<BR>\n" );
document.write( "\n" );
document.write( "a history question? ......<BR>\n" );
document.write( "an easy question?   ......\r<BR>\n" );
document.write( "\n" );
document.write( "(b) there are 40 cards in the box.<BR>\n" );
document.write( "how many of these are music questions? ...... </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #283568 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=283568\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> |category|easy|difficult|\r<BR>\n" );
document.write( "\n" );
document.write( "|music||||0.2||0.15|<BR>\n" );
document.write( "|sport||||0.2||0.1|<BR>\n" );
document.write( "|history||0.1||0.05|<BR>\n" );
document.write( "|nature|||0.15|0.05|<BR>\n" );
document.write( "____________________________\r<BR>\n" );
document.write( "\n" );
document.write( "(a) i am going to take one card at random from the box.<BR>\n" );
document.write( "what is the probability that it will be:\r<BR>\n" );
document.write( "\n" );
document.write( "a history question? (0.10+0.05 = 0.15<BR>\n" );
document.write( "an easy question?   0.65\r<BR>\n" );
document.write( "\n" );
document.write( "(b) there are 40 cards in the box.<BR>\n" );
document.write( "how many of these are music questions? 0.17*40 = 6.8<BR>\n" );
document.write( "===============<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );