24.148 BOEING 787 DREAMLINER. An assessment of the newBoeing 787 "Dreamliner" airplane was published in the Journal ofCase Research in Business and Economics (December 2014). Boeingplanned to build and deliver 3,500 of these aircraft within thefirst 20 years of the 787 program. The researchers usedsimulation to estimate the number of annual deliveries of 787airplanes (expressed as a percentage of total Boeing aircraftdeliveries during the year). In the fifth year of the program,deliveries were uniformly distributed over the range 2.5% to5.5%. Assuming the simulated results are accurate, what is theprobability that the number of Boeing 787s built and deliveredin the fifth year of the program exceeds 4% of the total Boeingaircraft deliveries during the year?

The researcher used simulation to estimate the count of annual deliveries of 787 airplanes. This…

Answered: 4.148 BOEING 787 DREAMLINER. An…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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A FiveThirtyEight.com article reports that “Horror movies get nowhere near as much draw at the box office as the big-time summer blockbusters or action/adventure movies ... but there’s a huge incentive for studios to continue pushing them out. The return-on-investment potential for horror movies is absurd.” To investigate how the return-on-investment compares between genres and how this relationship has changed over time, an introductory statistics student fit a model predicting the ratio of gross revenue of movies from genre and release year for 1,070 movies released between 2000 and 2018. Using the plots given below, determine if this regression model is appropriate for these data
A consulting group recently conducted a global survey of product teams with the goal of better understanding the dynamics of product team performance and uncovering the practices that make these teams successful. One of the survey findings was that 33% of organizations have a coherent business strategy that they stick to and effectively communicate. Suppose another study is conducted to check the validity of this result, with the goal of proving that the percentage is less than 33%. Complete parts (a) and (b) below. ..... a. State the null and research hypotheses. Identify the null and alternative hypotheses. О А. Но: п20.33; Н,: п 0.33 С. Но п#0.33;B Н,: п%3D0.33 Ο D. Ho: π = 0.33; ,: π# 0.33 b. A sample of 100 organizations is selected, and results indicate that 32 organizations have a coherent business strategy that they stick to and effectively communicate. Use the p-value approach to determine at the 0.01 level of significance whether there is evidence that the percentage is less…
.A new, miracle diabetes drug that diminishes major symptoms of diabetes has been approved by the FDA. Health care professionals and researchers believe that the new drug will prolong lifespan of diabetes patients. If the population is in steady state and the incidence is constant, what will the effect of this new drug be on the prevalence of diabetes in the population? Explain.
You wish to test the following claim (H₁) at a significance level of a = 0.05. Hou= 81.3 H₁ 81.3 You believe the population is normally distributed, but you do not know the standard deviation. You obtain a sample of size n = 16 with mean = 87.2 and a standard deviation of s = 8.7. What is the test statistic for this sample? (Report answer accurate to three decimal places.) test statistic = What is the p-value for this sample? (Report answer accurate to four decimal places.) p-value = The p-value is... Ꮕ less than (or equal to) a greater than a
2. An article in the journal Applied Nutritional Investigation reported the results of a comparison of two different weight-loss programs (Liao, 2007). In the study, obese participants were randomly assigned to one of two groups and the percent of body fat loss was recorded. The soy group, a low-calorie group that ate only soy-based proteins (M= 3.1, s=0.55), while the traditional group, a low-calorie group that received 2/3 of their protein from animal products and 1/3 from plant products (M= 1.9, s=0.45). If sm1-M2 = 0.24, s²pooled = 0.25, n1 = 8, n2 = 10 is there a difference between the two diets. Use alpha of .05 and a two-tailed test to complete the 4 steps of hypothesis testing.
A consulting group recently conducted a global survey of product teams with the goal of better understanding the dynamics of product team performance and uncovering the practices that make these teams successful. One of the survey findings was that 32% of organizations have a coherent business strategy that they stick to and effectively communicate. Suppose another study is conducted to check the validity of this result, with the goal of proving that the percentage is less than 32%. Complete parts (a) and (b) below. a. State the null and research hypotheses. Identify the null and alternative hypotheses. O A. Ho: as0.32; H,: a>0.32 O B. Ho: 120.32; H: <0.32 OC. Hoi a#0.32; H: =0.32 O D. Ho: 1=0.32; H4: n#0.32 b. A sample of 200 organizations is selected, and results indicate that 58 organizations have a coherent business strategy that they stick to and effectively communicate. Use the p-value approach to determine at the 0.05 level of significance whether there is evidence that the…
In an article in the Journal of Marketing, Bayus studied the differences between "early replacement buyers" and "late replacement buyers" in making consumer durable good replacement purchases. Early replacement buyers are consumers who replace a product during the early part of its lifetime, while late replacement buyers make replacement purchases late in the product's lifetime. In particular, Bayus studied automobile replacement purchases. Consumers who traded in cars with ages of zero to three years and mileages of no more than 35,000 miles were classified as early replacement buyers. Consumers who traded in cars with ages of seven or more years and mileages of more than 73,000 miles were classified as late replacement buyers. Bayus compared the two groups of buyers with respect to demographic variables such as income, education, age, and so forth. He also compared the two groups with respect to the amount of search activity in the replacement purchase process. Variables compared…
The table below represents the number of portable household generators sold by 20 Gauteng-based enterprises in the fourth quarter of 2022. 35 50 66 45 25 79 31 42 19 41 5 75 62 48 69 56 83 45 39 98 Given that the average selling price of a portable household generator was R15, 000 during the fourth quarter of 2022, what is the expected total revenue generated from the sale of the portable household generators by all the enterprises that sold at least 60 portable household generators during the quarter? Using the raw data, determine the standard deviation and coefficient of variation of the sample data. Given that the average selling price of a portable household generator was R15, 000 during the fourth quarter of 2022, what is the expected total revenue generated from the sale of the portable household generators by all the enterprises that sold at least 60 portable household generators during the quarter? 2. To extract…
Again recall Table 8a from the working paper "The Market for Financial Advisor Misconduct" discussed in Lecture 7 and HW 7. For your convenience, the table is reproduced below. Table 8a. Consequences of Misconduct: Industry and Firm Discipline No Misconduct Misconduct Remain with the Firm 81.29% 51.99% Leave the Firm 18.71% 48.01% Leave the Industry 8.92% 26.96% Join a Different Firm (within 1 year) 21.05% 9.79% Note: Table 8a displays the average annual job turnover among financial advisers over the period 2005-2015. The table shows, on average, the percentage of advisers that remain with their firm, leave the industry (for at least one year) or join a new firm (within a year). The job transitions are broken down by whether or not the advisor was disciplined for misconduct in the previous year. Consider randomly selecting five financial advisors who were disciplined for misconduct in the previous year. What is the chance that at least one of them leaves the firm? (Answer as a…
3. Scenario It is believed that large doses of acetaminophen (the active ingredient in over the counter pain relievers like Tylenol) may cause damage to the liver in nearly half of those tested. A researcher wants to conduct a study to estimate if the proportion of acetaminophen users who have liver damage is the same as previously reported. For participating in this study, he will pay each subject $20 and provide a free medical consultation if the patient has liver damage. Part A If he wants to limit the margin of error of his 98% conﬁdence interval to 2%, what is the minimum number of subjects he needs? (answer should be in the form of x,xxx) the minimum amount of money he needs to set aside to pay his subjects? $ (answer should be in the form of $xx,xxx) Part B The amount you calculated in Part A is substantially over his budget so he decides to use fewer subjects. Will this change increase or decrease the width of his conﬁdence interval? Will this new confidence interval be…
In order to determine a realistic price for a new product that a company wants to market the company’s research department selected 10 sites thought to have essentially identical sales potential and offered the product in each at a different price. The resulting sales are recorded in the accompanying table: Price ($) Sales ($1,000s) 15.00 15 15.50 14 16.00 16 16.50 9 17.00 12 17.50 10 18.00 8 18.50 9 19.00 6 19.50 5 c). Find the equation of the sample regression line using Minitab. d). Interpret the meaning of the coefficients of the equation of the sample regression line.

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