document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=391988>Question 391988</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 56. Assume the likelihood that any flight on Northwest Airlines arrives within 15 minutes of<BR>\n" );
document.write( "the scheduled time is .90. We select four flights from yesterday for study.<BR>\n" );
document.write( "a. What is the likelihood all four of the selected flights arrived within 15 minutes of the<BR>\n" );
document.write( "scheduled time?<BR>\n" );
document.write( "b. What is the likelihood that none of the selected flights arrived within 15 minutes of<BR>\n" );
document.write( "the scheduled time?<BR>\n" );
document.write( "c. What is the likelihood at least one of the selected flights did not arrive within 15 minutes<BR>\n" );
document.write( "of the scheduled time?<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #278175 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=278175\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a) .9^4=.6561<BR>\n" );
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document.write( "b) .1^4=.0001<BR>\n" );
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document.write( "C) 1-.6561=.3439<BR>\n" );
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document.write( "Ed </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );