document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=80662>Question 80662</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I hope someone can help me I am stuck.\r<BR>\n" );
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document.write( "Acme Airlines flies airplanes that seat 12 passengers. From 				experience, they have learned that, on average, 80% 					of the passengers holding reservations for a particular flight actually 			show up for the flight. If they book 13 passengers for a flight, what is 			the probability that 12 or fewer passengers holding reservations will 			actually show up for the flight?<BR>\n" );
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document.write( "		a.  	less than 90% 	b.  between 90 and 95%, inclusive 				c. 	more than 95%	d.  cannot be determined from 								     information given	\r<BR>\n" );
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document.write( "Let   be a normally distributed random variable with   and 			 .  The probability that   is between 80 and 120 is (to the 			nearest whole percent)<BR>\n" );
document.write( "		a.  8 % 	b.   82 %	c.  91% 	d. answer not listed<BR>\n" );
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document.write( "these two qusetion have been killing me all night thanks for your help Mirna<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 #57824 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=57824\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Acme Airlines flies airplanes that seat 12 passengers. From experience, they have learned that, on average, 80% of the passengers holding reservations for a particular flight actually show up for the flight. If they book 13 passengers for a flight, what is the probability that 12 or fewer passengers holding reservations will actually show up for the flight?<BR>\n" );
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document.write( "It's a binomial problem: n=13, p=0.8, 0<=x<=12<BR>\n" );
document.write( "If you have a TI calculator use 1-binompdf(13,0.8,13)=0.945<BR>\n" );
document.write( "If you do not have a TI use 1-(0.8)^13=0.945<BR>\n" );
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document.write( "a. less than 90% b. between 90 and 95%, inclusive c. more than 95% d. cannot be determined from information given <BR>\n" );
document.write( "ANSWER: \"b\" is the answer.<BR>\n" );
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document.write( "Let be a normally distributed random variable with and . The probability that is between 80 and 120 is (to the nearest whole percent)<BR>\n" );
document.write( "a. 8 % b. 82 % c. 91% d. answer not listed<BR>\n" );
document.write( "Comment:  A bunch of words are missing from your posting.  You will have<BR>\n" );
document.write( "to post this problem again.<BR>\n" );
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document.write( "cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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