document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=465006>Question 465006</A>: <I><SPAN STYLE=\"word-break: break-all;\"> K.	Historically, the campus police write a ticket on 15% of the vehicles they stop on campus; violations include speeding, no valid sticker, illegal parking, etc.  Student leaders will take a survey of 400 students who had been stopped by the campus police.  What is the probability that 55 or more of these students have been issued a ticket?  Note: Be sure to identify any assumptions or conditions needed </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #318604 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=318604\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=mu=.15%2A400=60 ALIGN=MIDDLE  ALT=\"mu=.15%2A400=60\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sigma=sqrt%28400%2A.15%2A.85%29=7.14 ALIGN=MIDDLE  ALT=\"sigma=sqrt%28400%2A.15%2A.85%29=7.14\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "z=(54.5-60)/7.14=-.77<BR>\n" );
document.write( "Area under normal curve to the right of -.77 is .779 the probability that 55 or more of these students have been issued a ticket.<BR>\n" );
document.write( ".<BR>\n" );
document.write( "Ed<BR>\n" );
document.write( " </SPAN>\n" );
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