document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1076931>Question 1076931</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The probability that a student chosen at random from a class is a girl is 0.3.1f 15 students are chosen at random, find the probability that there will be more than four but less than six girls. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #691515 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=691515\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Want 4 and 5 girls<BR>\n" );
document.write( "15C4(0.3)^4(0.7)^11=0.2186<BR>\n" );
document.write( "15C5(0.3)^5(0.7)^10=0.2061<BR>\n" );
document.write( "Total is 0.4247<BR>\n" );
document.write( "Expected value is 4.5, so this is reasonable. </SPAN>\n" );
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