document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=441255>Question 441255</A>: <I><SPAN STYLE=\"word-break: break-all;\">  Mary has 30 hats. She has 5 green, 7 blue, 12 red, and 6 brown.   If she selects two hats at random, what is the probability that both hats are different colors?   Round your answer to two decimal places.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #304597 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=304597\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Mary has 30 hats. She has 5 green, 7 blue, 12 red, and 6 brown. If she selects two hats at random, what is the probability that both hats are different colors? Round your answer to two decimal places. <BR>\n" );
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document.write( "Ans: 1 - P(hats are same color)<BR>\n" );
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document.write( "= 1 - [5C2 + 7C2 + 12C2 + 6C2]/30C2<BR>\n" );
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document.write( "= 1 - [112/435]<BR>\n" );
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document.write( "= 323/435<BR>\n" );
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document.write( "=0.743<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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