document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=451992>Question 451992</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 1.	A box contains 74 brass washers, 86 steel washers and 40 aluminum washers, Three washers are drawn at random from the box without replacement. Determine the probability that all three are steel washers.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #310750 by </B><A HREF=/tutors/aboutme.mpl?userid=htmentor><B>htmentor(1343)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=htmentor><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=htmentor><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=310750\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The total number of washers = 74+86+40 = 200<BR>\n" );
document.write( "The probability that the 1st washer is steel is 86/200<BR>\n" );
document.write( "Since the 1st washer is not replaced, there are 85 steel washers remaining.<BR>\n" );
document.write( "So the probability that the 2nd washer is steel is 85/199<BR>\n" );
document.write( "And for the 3rd, the probability is 84/198<BR>\n" );
document.write( "So the total probability is:<BR>\n" );
document.write( "86/200*85/199*84/198 = 0.0779<BR>\n" );
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