document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=197976>Question 197976</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Assume the likelihood that any flight on Northwest Airline arrives within 15 minutes of the schedule time is .90. We selected four flights from yesterday top study.\r<BR>\n" );
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document.write( "a.	What is the likelihood all four flights arrived within 15 minutes of the schedule time?<BR>\n" );
document.write( "b.	What is the likelihood that none of the selected flights arrived within 15 minutes of the schedule time?<BR>\n" );
document.write( "c.	What is the likelihood at least one of the selected flights did not arrived within 15 minutes of the schedule time?<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 #148472 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=148472\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Assume the likelihood that any flight on Northwest Airline arrives within 15 minutes of the schedule time is .90. We selected four flights from yesterday top study. <BR>\n" );
document.write( "a. What is the likelihood all four flights arrived within 15 minutes of the schedule time?<BR>\n" );
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document.write( "Ans: 0.9^4 = 0.6561<BR>\n" );
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document.write( "b. What is the likelihood that none of the selected flights arrived within 15 minutes of the schedule time?<BR>\n" );
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document.write( "Ans: 0.1^4 = 0.0001<BR>\n" );
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document.write( "c. What is the likelihood at least one of the selected flights did not arrive within 15 minutes of the schedule time?<BR>\n" );
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document.write( "P(at least one did not) = P(at least one was late)= 1-P(none were late)<BR>\n" );
document.write( "= 1 - 0.6561 = 0.3439<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.\r<BR>\n" );
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