document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=198959>Question 198959</A>: <I><SPAN STYLE=\"word-break: break-all;\"> It is asserted that 80 percent of the cars approaching an individual toll booth in New Jersey are equipped with an EZ Pass transponder. Find the probability that in a sample of six cars:\r<BR>\n" );
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document.write( "a) all six will have the transponder<BR>\n" );
document.write( "b) at least three will have the transponder<BR>\n" );
document.write( "c) none will have a transponder. <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 #149445 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=149445\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> It is asserted that 80 percent of the cars approaching an individual toll booth in New Jersey are equipped with an EZ Pass transponder. Find the probability that in a sample of six cars:<BR>\n" );
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document.write( "Since every car either has or does not have an EZ Pass, the problem <BR>\n" );
document.write( "is binomial.<BR>\n" );
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document.write( "a) all six will have the transponder<BR>\n" );
document.write( "Ans: (0.8)^6 = 0.262<BR>\n" );
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document.write( "b) at least three will have the transponder<BR>\n" );
document.write( "Ans: 1 - binomcdf(6, 0.8, 2) = 0.983..<BR>\n" );
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document.write( "c) none will have a transponder.<BR>\n" );
document.write( "Ans: 0.2^6 = 0.000064<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. <BR>\n" );
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