document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=981070>Question 981070</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If a drawer has 4 red socks and 4 blue socks\r<BR>\n" );
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document.write( "a) If two are drawn what is the probability of a match?\r<BR>\n" );
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document.write( "b) If 3 are drawn what is the probability of a match?\r<BR>\n" );
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document.write( "c) What is the probability of having all one color after 4 draws?\r<BR>\n" );
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document.write( "This is what I have:\r<BR>\n" );
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document.write( "A) P (Red) on first draw = 4/8<BR>\n" );
document.write( "P (Red) on second draw = 3/7 <BR>\n" );
document.write( "4/8 * 3/7 = 12/56 <BR>\n" );
document.write( "P (Blue) is the same so<BR>\n" );
document.write( "12/56 + 12/56= 3/7<BR>\n" );
document.write( "So answer = 3/7\r<BR>\n" );
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document.write( "B) 100% chance.\r<BR>\n" );
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document.write( "c) 4/8 +3/7 + 2/6 +1/5 ?\r<BR>\n" );
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document.write( "Any help is appreciated!<BR>\n" );
document.write( "C) 4/8 + 3/7 + 2/6 + 1/5 ? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #602127 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=602127\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> There are two ways to have a match with 2 drawn:<BR>\n" );
document.write( "Probability both red = (4/8)*(3/7)=(12/56), as you wrote.<BR>\n" );
document.write( "And same for blue, so sum is (24/56) as you wrote.  \r<BR>\n" );
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document.write( "yes, 100% probability if 3 are drawn.\r<BR>\n" );
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document.write( "The 4 draws can be<BR>\n" );
document.write( "RRRR (24/1680)=(1/70)<BR>\n" );
document.write( "RRRB<BR>\n" );
document.write( "RRBR<BR>\n" );
document.write( "RRBB<BR>\n" );
document.write( "RBRR<BR>\n" );
document.write( "RBRB<BR>\n" );
document.write( "RBBR<BR>\n" );
document.write( "RBBB<BR>\n" );
document.write( "BRRR<BR>\n" );
document.write( "BRRB<BR>\n" );
document.write( "BRBR<BR>\n" );
document.write( "BRBB<BR>\n" );
document.write( "BBRR<BR>\n" );
document.write( "BBRB<BR>\n" );
document.write( "BBBR<BR>\n" );
document.write( "BBBB Same (1/70) probability<BR>\n" );
document.write( "So the answer is their sum, or (2/70). </SPAN>\n" );
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