document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1050856>Question 1050856</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A math class consists of 22 students, 12 female and 10 male. Three students are selected at random, one at a time, to participate in a probability experiment (selected in order without replacement).\r<BR>\n" );
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document.write( "(a) What is the probability that a male is selected, then two females?\r<BR>\n" );
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document.write( "(b) What is the probability that a female is selected, then two males?\r<BR>\n" );
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document.write( "(c) What is the probability that two females are selected, then one male?\r<BR>\n" );
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document.write( "(d) What is the probability that three males are selected?\r<BR>\n" );
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document.write( "(e) What is the probability that three females are selected? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #666490 by </B><A HREF=/tutors/aboutme.mpl?userid=ewatrrr><B>ewatrrr(24785)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ewatrrr><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=ewatrrr><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=666490\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 22 students, 12 female and 10 males<BR>\n" );
document.write( "3 selected w/o replacement<BR>\n" );
document.write( "RE: TY, what are the \"right answers\" You are attempting to get?<BR>\n" );
document.write( "a) What is the probability that a male is selected, then two females? <BR>\n" );
document.write( "P = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%2810%2F22%29%2812%2F21%29%2811%2F20%29+=+%28%2810%2A12%2A11%29%2F%2822%2A21%2A20%29%29 ALIGN=MIDDLE  ALT=\"%2810%2F22%29%2812%2F21%29%2811%2F20%29+=+%28%2810%2A12%2A11%29%2F%2822%2A21%2A20%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 6/42 = 1/7<BR>\n" );
document.write( "Recommend Multiplying numerators and denominators - and then canceling out where You can.<BR>\n" );
document.write( "(b) What is the probability that a female is selected, then two males? <BR>\n" );
document.write( "P = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%2812%2F22%29%2810%2F21%29%289%2F20%29 ALIGN=MIDDLE  ALT=\"%2812%2F22%29%2810%2F21%29%289%2F20%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 9/77<BR>\n" );
document.write( "(c) What is the probability that two females are selected, then one male? <BR>\n" );
document.write( "P = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%2812%2F22%29%2811%2F21%29%2810%2F20%29 ALIGN=MIDDLE  ALT=\"%2812%2F22%29%2811%2F21%29%2810%2F20%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 1/7<BR>\n" );
document.write( "(d) What is the probability that three males are selected? <BR>\n" );
document.write( "P = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%2810%2F22%29%289%2F21%29%288%2F20%29 ALIGN=MIDDLE  ALT=\"%2810%2F22%29%289%2F21%29%288%2F20%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 6/77<BR>\n" );
document.write( "(e) What is the probability that three females are selected? <BR>\n" );
document.write( "P = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%2812%2F22%29%2811%2F21%29%2810%2F20%29 ALIGN=MIDDLE  ALT=\"%2812%2F22%29%2811%2F21%29%2810%2F20%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 1/7 </SPAN>\n" );
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