document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=478994>Question 478994</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A box contains 5 red balls and 10 blue balls. A) How many samples of 3 balls are possible? B) How many samples will have all red balls? C) What is the probability the sample will have 3 red balls? D)What are the odds in favor of drawing a blue ball? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #328220 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=328220\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A box contains 5 red balls and 10 blue balls. <BR>\n" );
document.write( "A) How many samples of 3 balls are possible?;;15C3<BR>\n" );
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document.write( "B) How many samples will have all red balls?::5C3<BR>\n" );
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document.write( "C) What is the probability the sample will have 3 red balls?::5C3/15C3<BR>\n" );
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document.write( "D)What are the odds in favor of drawing a blue ball?<BR>\n" );
document.write( "P(draw a blue) = 10/15 = 2/3<BR>\n" );
document.write( "P(not draw a blue) = 5/15 = 1/3<BR>\n" );
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document.write( "Odds in favor of drawing a blue = (2/3)/(1/3) = 2:1<BR>\n" );
document.write( "---<BR>\n" );
document.write( "what is the probability that it will have 2 red balls?<BR>\n" );
document.write( "You are drawing 3 from 5 red and 10 blue.<BR>\n" );
document.write( "P(exactly 2 red) = ?<BR>\n" );
document.write( "# of ways to get 2 red = 5C2 = 10<BR>\n" );
document.write( "# of ways to get 1 blue = 10C1 = 10<BR>\n" );
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document.write( "# of ways to get 3 balls randomly: 15C3<BR>\n" );
document.write( "--<BR>\n" );
document.write( "P(exactly 2 red) = (10*10)/15C3 = 100/455 = 20/91\r<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( " </SPAN>\n" );
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