document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=922881>Question 922881</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A bag contains 5 white, 7 red and 8 black balls. If four balls are drawn one by one without replacement, find the probability of getting all white balls.could you please help to get calculations and also the explanation as to which formula have you applied </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #559760 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=559760\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A bag contains 5 white, 7 red and 8 black balls. If four balls are drawn one by one without replacement, find the probability of getting all white balls.could you please help to get calculations and also the explanation as to which formula have you applied<BR>\n" );
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document.write( "# of ways to succeed:: 5C4 = 5C1 = 5<BR>\n" );
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document.write( "# of possible outcomes:: 20C4 = (20*19*18*17)/(1*2*3*4) = 4845<BR>\n" );
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document.write( "P(4 white) = 5/4845 = 1/969<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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