document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=854776>Question 854776</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A box contains cards with one question on each card<BR>\n" );
document.write( "There are 4 categories of questions <BR>\n" );
document.write( "each category has some easy and some difficult questions <BR>\n" );
document.write( "This table shows the probability of selecting a card at random \r<BR>\n" );
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document.write( "CATEGORY     <BR>\n" );
document.write( "Music       <BR>\n" );
document.write( "Sport        <BR>\n" );
document.write( "History       <BR>\n" );
document.write( "Nature        \r<BR>\n" );
document.write( "\n" );
document.write( "EASY<BR>\n" );
document.write( "0.2<BR>\n" );
document.write( "0.2 <BR>\n" );
document.write( "0.1<BR>\n" );
document.write( "0.15\r<BR>\n" );
document.write( "\n" );
document.write( "DIFFICULT<BR>\n" );
document.write( "0.15<BR>\n" );
document.write( "0.1<BR>\n" );
document.write( "0.05<BR>\n" );
document.write( "0.05\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:<BR>\n" );
document.write( "              A HISTORY QUESTION?<BR>\n" );
document.write( "Is the answer 0.15     \r<BR>\n" );
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document.write( "              AN EASY QUESTION?<BR>\n" );
document.write( "Is the answer 0.65\r<BR>\n" );
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document.write( "(B)There are 40 cards in the box.<BR>\n" );
document.write( "   How many of these are MUSIC questions?<BR>\n" );
document.write( "Is the answer 3<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 #514920 by </B><A HREF=/tutors/aboutme.mpl?userid=ewatrrr><B>ewatrrr(24785)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ewatrrr><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=ewatrrr><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=514920\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <PRE STYLE=\"white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;\"><font face = \"Tohoma\" size = 3 color = \"indigo\"><b> <BR>\n" );
document.write( "Hi,<BR>\n" );
document.write( "Think it is easier to view data like this:<BR>\n" );
document.write( "type	EASY	DIFF	T<BR>\n" );
document.write( "Music	0.2	0.15	0.35<BR>\n" );
document.write( "Sport	0.2	0.1	0.3<BR>\n" );
document.write( "History	0.1	0.05	0.15<BR>\n" );
document.write( "Nature	0.15	0.05	0.2<BR>\n" );
document.write( "Total     .65             .35       1.00<BR>\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:<BR>\n" );
document.write( " A HISTORY QUESTION?<BR>\n" );
document.write( " Is the answer 0.15 <BR>\n" );
document.write( " AN EASY QUESTION?<BR>\n" );
document.write( " Is the answer 0.65 <BR>\n" );
document.write( " (B)There are 40 cards in the box.<BR>\n" );
document.write( " How many of these are MUSIC questions  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=.35%2A40+=+14 ALIGN=MIDDLE  ALT=\".35%2A40+=+14\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );