document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=591391>Question 591391</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A newspaper article claims that 44% of all airplanes arriving at Piarco Airport are late. Seven(7) flights are randomly selected.\r<BR>\n" );
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document.write( "(a)	Define the variable of interest. [1]<BR>\n" );
document.write( "(b) State clearly the appropriate distribution for this scenario. Justify your answer. [5]\r<BR>\n" );
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document.write( "(c) Find the probability at least 1 flight will arrive late. [4]<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 #375605 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=375605\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A newspaper article claims that 44% of all airplanes arriving at Piarco Airport are late. Seven(7) flights are randomly selected.<BR>\n" );
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document.write( "(a) Define the variable of interest. [1]<BR>\n" );
document.write( "Of the seven flights, how many aarrive late.<BR>\n" );
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document.write( "(b) State clearly the appropriate distribution for this scenario. Justify your answer. [5]<BR>\n" );
document.write( "Binomial Distribution with n = 7 and p(late) = 0.44<BR>\n" );
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document.write( "(c) Find the probability at least 1 flight will arrive late. [4]<BR>\n" );
document.write( "P(at least one late) = 1 - P(none late)<BR>\n" );
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document.write( "P(at least one late) = 1 - 0.56^7 = 0.9805<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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