document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=132571>Question 132571</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How do I draw a tree to show?\r<BR>\n" );
document.write( "\n" );
document.write( "(in a jar there are 2 red balls, 3 white balls and 1 green ball).\r<BR>\n" );
document.write( "\n" );
document.write( "1.)What is the probability that a red ball will be drawn at 1st pick?\r<BR>\n" );
document.write( "\n" );
document.write( "2.)What is the probability that a white ball will be drawn at 2nd pick? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #96879 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=96879\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> How do I draw a tree to show? <BR>\n" );
document.write( "(in a jar there are 2 red balls, 3 white balls and 1 green ball). <BR>\n" );
document.write( "1.)What is the probability that a red ball will be drawn at 1st pick?<BR>\n" );
document.write( "P(red on 1st pick) = 2/6 = 1/3<BR>\n" );
document.write( "----------------------- <BR>\n" );
document.write( "2.)What is the probability that a white ball will be drawn at 2nd pick?<BR>\n" );
document.write( "P(white on 2nd) = P(white|red) + P(white|white} + P(white|green)<BR>\n" );
document.write( "= (1/3)(3/5) + (3/6)*2/5) + (1/6)*(3/5)<BR>\n" );
document.write( "= 1/5 + 1/5 + 1/10<BR>\n" );
document.write( "= 5/10 = 1/2<BR>\n" );
document.write( "=================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );