document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=87094>Question 87094</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I need help in these two problems:\r<BR>\n" );
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document.write( "Problem#1<BR>\n" );
document.write( "A group of 3 students is to be selected from a group of 12 students to take part in a class in cell biology.\r<BR>\n" );
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document.write( "a) In how many ways can this be done?<BR>\n" );
document.write( "b) In how many ways can the group who will not take part be chosen?\r<BR>\n" );
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document.write( "Problem #2<BR>\n" );
document.write( "If a baseball coach has 5 good hitters and 4 poor hitters on the bench and chooses 3 players at random, in how many ways can he choose at least 2 hiters? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #63082 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=63082\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">  need help in these two problems: <BR>\n" );
document.write( "Problem#1<BR>\n" );
document.write( "A group of 3 students is to be selected from a group of 12 students to take part in a class in cell biology. <BR>\n" );
document.write( "a) In how many ways can this be done?<BR>\n" );
document.write( "Answer: 12C3 = [12*11*10]/[1*2*3] = 220<BR>\n" );
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document.write( "b) In how many ways can the group who will not take part be chosen? <BR>\n" );
document.write( "Answer: 12C9 = 220 <BR>\n" );
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document.write( "Problem #2<BR>\n" );
document.write( "If a baseball coach has 5 good hitters and 4 poor hitters on the bench and chooses 3 players at random, in how many ways can he choose at least 2 hitters?<BR>\n" );
document.write( "Answer: They are all hitters; 5 are better at it than the others.<BR>\n" );
document.write( "# of ways to choose at least 2 hitters = 9C2 + 9C3 = 36 + 84 = 120<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.\r<BR>\n" );
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document.write( " </SPAN>\n" );
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