document.write( "Question 862955: Airlines usually over-book the seats on an aircraft by a certain margin because they know from experience that some people change or do not show for their scheduled flight. Data collected for a particular Melbourne–Darwin flight showed that, on average, 183 people (with a standard deviation of 31) did arrive for their scheduled flight. The data followed a normal distribution. The aircraft has seats for 344 passengers.
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document.write( "a) A particular flight goes every day. During one year of operation, how many times would you expect there to be more passengers than available seats?
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document.write( "b) The cost of each flight to the airline is $71000. The cost of a ticket is $460. On what proportion of flights does the airline lose money.
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document.write( "c) In a period of 12 days, what is the probability the airline loses money?
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document.write( "I have tried that the first question ,but my answer is 1, I am so confusing about that and also the following questions .THX a lot. \n" );
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Algebra.Com's Answer #520106 by ewatrrr(24785)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( " |