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You have been asked to determine a policy for accepting reservations for an airline flight. This particular flight uses an aircraft with 15 first-class seats and 75 economy-class seats. First-class tickets on the flight cost $500 and economy-class tickets cost $250. The number of individuals who seek to reserve seats takes on the equally likely values of 10, 11,..., 20 in first class and the equally likely values 40, 41,..., 120 in economy class. The demand for first-class seats and that for economy-class seats are independent. The airline allows itself to sell somewhat more tickets than it has seats. This is a common practice called overbooking. You are asked to analyze the four possible booking policies which permit the overbooking of either up to 0, or up to 3 first-class seats and the overbooking of either up to 5, or up to 10 economy seats. Each passenger who buys a first-class seat has a 10% probability of not showing up for the flight. The probability of not showing up is 5% for economy-class passengers. Passengers decide whether to show up independently of each other. First-class passengers who do not show up can return their unused tickets for a full refund. No-shows in the economy class are not entitled to any refund. Any first-class passengers who show up for the flight but cannot be seated in the first class are entitled to a full refund plus $400 compensation. If there are free seats in first class and economy class is full, economy-class passengers can be seated in first class. If an economy-class passenger shows up and is denied a seat, however, they get a full refund plus $200 compensation. Use computer simulation to find for each of the four possible overbooking policies both the expected value of the net profit for the flight and the probabilities of the net profit falling in each of the ranges [$15,000, $16,000], . . . ,[$27,000, $28,000].
A model fit predicting preference for President (Democrat, Republican, Independent) using x = annual income (in $10,000 dollars) b. Find the range of x for which . c. State the prediction equation for πˆ I .
Do men and women have different beliefs on the ideal number of children in a family? Based on the following GSS2008 Data and the obtained t statistics, what would you conclude?
Write out the treatment combinations for a 24 factorial experiment.- Find all of the main effects and the interaction effects.
Speed of light. In 1882 Michelson measured the speed of light (usually denoted c as in Einstein's famous equation ).
a population has a variance of 34.a what is the standard deviation of this population ? 2 decimal places.b what would
Test at the 5% significance level whether the mean evacuation time is smaller at closing time than during fire drills.
a newspaper selected a simple random sample of 1600 readers. they asked whether the paper should increase its coverage
a manufacturer of sports drinks has randomly sampled 198 men and 202 women. each sampled participant was asked to taste
What is the total cost of ownership concept? What are some of the challenges that must be overcome when implementing a total cost measurement system?
Findout either the given correlation is significant at given level of significance. Illustrate what does sample size have to do with the significance of r.
Using P-values for hypothesis testing they are intuitively easy and dont require critical values in charts. In real world terms, what is the best way to describe how P-values work and how to explain this to someone?
Provide an estimate of this difference.- Explain why it is incorrect to use the two-sample t test to see if the means differ.
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