document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=907586>Question 907586</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A box contains ten marbles,seven of which are black and three are red.three marbles are drawn one after the other without replacement. Find the probability of choosing<BR>\n" );
document.write( "A. At least two black marbles<BR>\n" );
document.write( "B. At most two black marbles </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #550454 by </B><A HREF=/tutors/aboutme.mpl?userid=reviewermath><B>reviewermath(1029)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=reviewermath><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=reviewermath><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=550454\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A box contains ten marbles,seven of which are black and three are red.three marbles are drawn one after the other without replacement. Find the probability of choosing<BR>\n" );
document.write( "A. At least two black marbles<BR>\n" );
document.write( "P(X &#8805; 2) = 1 - P(X = 0) - P(X = 1)<BR>\n" );
document.write( "         = 1 - <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28matrix%282%2C1%2C7%2C0%29%29%28matrix%282%2C1%2C3%2C3%29%29%2F%28%28matrix%282%2C1%2C10%2C3%29%29%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" > - <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28matrix%282%2C1%2C7%2C1%29%29%28matrix%282%2C1%2C3%2C2%29%29%2F%28%28matrix%282%2C1%2C10%2C3%29%29%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "         = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%2849%2F60%29 ALIGN=MIDDLE  ALT=\"highlight%2849%2F60%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >  or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%280.8167%29 ALIGN=MIDDLE  ALT=\"highlight%280.8167%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > (4 decimal places)\r<BR>\n" );
document.write( "\n" );
document.write( "B. At most two black marbles<BR>\n" );
document.write( "P(X &#8804; 2) =  P(X = 0) + P(X = 1) + P(X = 2)<BR>\n" );
document.write( "         =  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28matrix%282%2C1%2C7%2C0%29%29%28matrix%282%2C1%2C3%2C3%29%29%2F%28%28matrix%282%2C1%2C10%2C3%29%29%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" > + <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28matrix%282%2C1%2C7%2C1%29%29%28matrix%282%2C1%2C3%2C2%29%29%2F%28%28matrix%282%2C1%2C10%2C3%29%29%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" > + <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28matrix%282%2C1%2C7%2C2%29%29%28matrix%282%2C1%2C3%2C1%29%29%2F%28%28matrix%282%2C1%2C10%2C3%29%29%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" > <BR>\n" );
document.write( "         = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%2817%2F24%29 ALIGN=MIDDLE  ALT=\"highlight%2817%2F24%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >  or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%280.7083%29 ALIGN=MIDDLE  ALT=\"highlight%280.7083%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > (4 decimal places) </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );