document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=221887>Question 221887</A>: <I><SPAN STYLE=\"word-break: break-all;\"> It is asserted that 90 percent of the cars approaching an individual toll booth in New Jersey are equipped with an E-ZPass transponder. Find the probability that in a sample of six cars:<BR>\n" );
document.write( "At least four will have the transponder. (Round your answer to 4 decimal places.) \r<BR>\n" );
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document.write( "  Probability  :  <BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #166427 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=166427\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> It is asserted that 90 percent of the cars approaching an individual toll booth in New Jersey are equipped with an E-ZPass transponder. Find the probability that in a sample of six cars:<BR>\n" );
document.write( "At least four will have the transponder. (Round your answer to 4 decimal places.) <BR>\n" );
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document.write( "It's a binomial problem with n=6, p = 0.9, 4<=x<=6<BR>\n" );
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document.write( "P(4<=x<=6) = 1 - binomcdf(6,0.9,3) = 0.9842<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );