document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=251232>Question 251232</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The highway patrol estimates that 60% of drivers on I-44 are within the speed limit. If 23 cars are clocked on I-44, estimate the probability that exactly 17 are within the speed limit.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #182956 by </B><A HREF=/tutors/aboutme.mpl?userid=edjones><B>edjones(8007)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=edjones><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=edjones><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=182956\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> let w=number within the limit and s=number of speeders.<BR>\n" );
document.write( "(w+s)^2 We need  the term w^17s^6 <BR>\n" );
document.write( "Combination: nCr = 23C17 = 100947 the coefficient of w^17s^6 <BR>\n" );
document.write( "w=.60 s=.40<BR>\n" );
document.write( "100947*.6^17*.4^6<BR>\n" );
document.write( "=.070 the probability that exactly 17 are within the speed limit. <BR>\n" );
document.write( ".<BR>\n" );
document.write( "Ed </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );