2. A retail giant, Mississippi, sells books on its website. The book Lisa Panner and theAccountant's Ledger (LP for short) is sold in the hardcover version, paperback version, audiobookversion, or the e-book version to be read on its proprietary device Ignite.It is known that no one buys both hardcover and paperback of LP, and that no one buys bothhardcover and e-book.Of the customers interested in LP, Mississippi has found that 15% have bought the hardcover,35% have bought the paperback, 20% have bought the audiobook and 30% have bought thee-book. Furthermore, 30% have bought either the hardcover or the audiobook (or both), and10% have bought both the paperback and the audiobook. Only 3% have bought all three ofpaperback, e-book and audiobook.(a) What fraction of the interested customers have bought exactly one of the paperback orthe audiobook?(b) (Somewhat hard) If 5% of interested customers have bought both audiobook and e-book,what fraction have bought only the audiobook? (Hint: Drawing the Venn diagram willbe helpful. Try to break the set of customers who bought an audiobook into mutuallyexclusive sets so that you can use additivity.)

From the above given data the following solution is provided below:

Answered: 2. A retail giant, Mississippi, sells…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

3. A magazine publishes a U.S. and a Canadian edition each week. There are 30,000 subscribers in the U.S. and 20,000 subscribers in Canada. Other copies are sold at newsstands. Postage and shipping costs average $80 per thousand copies in the U.S. and $60 per thousand copies in Canada. Surveys show that no more than 120,000 copies of each issue can be sold (including subscriptions) and that the number of copies of the Canadian edition should not exceed twice the number of copies of the U.S. edition. The publisher can spend at most $8400 a month on postage and shipping. If profit is $200 per thousand copies on the U.S. edition and $150 per thousand copies on the Canadian, how many copies of each should be printed to maximize profit, and what will that profit be?
The following table is of profit, revenue, and number of employees of 10 companies. Profit US $ billion Revenue/employee No. of Employees Exxon Royal Dutch British Petroleum Petrofina SA Texao In Elf Aquitaine ENI Chevron Corp. PDVSA SK 11.7 7.4 4.4 2.3 2.9 0.98 3.4 3.1 4.5 0.125 US$ 96,170 74,288 70,859 67,396 92,102 11,461 37,415 84,615 84,821 4,087 a) For the 10 companies, the mean profit per company is $ (Round answer to one decimal place.) c) The "overall" mean profit per employee is $ (Round answer to nearest whole number.) billion US. b) The "overall" mean revenue per employee (i.e., for all employees of these firms combined) of the 10 companies is US. $ (Round answer to nearest whole number.) 122900 105100 56440 69062 29311 83800 80176 39364 56597 30595 US/employee.
A researcher thinks some social media sites are more prone to narcissistic behavior (excessive posting) than others. To examine the relationship between narcissism and social media, she recruits users of three different social media sites (Facebook, Twitter and Instagram), follows them for 24 hours and records the number of posts made by each user. The number of posts is given in the table below. Twitter Facebook Instagram 10 7 14 10 8. 10 10 10 11 9. www. 12 wwww. 11 13 12 8. 7 8. 11 8 10 12 11 11 a. Perform a complete hypothesis test to determine whether there are any significant differences among the three groups. Test at the .05 level of significance. SHOW ALL YOUR WORK b. Do you need to perform post hocs? Explain but do not compute the post hocs. C. Compute effect size. d. Summarize your findings in a source table. e. Write an interpretation of our results in APA-format (include means and SDs in your interpretation)
please help with 3, 4, and 5 High school seniors with strong academic records apply to the nation’s most selective colleges in greater numbers each year. Because the number of slots remains relatively stable, some colleges reject more early applicants. Suppose that for a recent admissions class, an Ivy League college received 2851 applications for early admission. Of this group, it admitted 1033 students early, rejected 854 outright, and deferred 964 to the regular admission pool for further consideration. In the past, this school has admitted 18% of the deferred early admission applicants during the regular admission process. Counting the students admitted early and the students admitted during the regular admission process, the total class size was 2375. Let E, R, and D represent the events that a student who applies for early admission is admitted early, rejected outright, or deferred to the regular admissions pool. Answer questions 3-5. 3.Use the data to estimate P(E), P(R),…
Ralph Lauren Corporation (RL) designs, markets, and distributes a variety of apparel, home décor, accessory, and fragrance products. The company’s products include such brands as Ralph Lauren, Polo by Ralph Lauren, and Chaps. For two recent years, the company reported the following (in millions): Year 2 Year 1 Sales $7,230 $7,451 Accounts receivable (end of year) 517 655 The accounts receivable at the beginning of Year 1 was $588 million. a. Compute the accounts receivable turnover for Year 1 and Year 2. Round to one decimal place. Year 1 Year 2 Accounts Receivable Turnover fill in the blank 1 fill in the blank 2 b. Compute the number of days’ sales in receivables for Year 1 and Year 2. Use 365 days and round all calculations to one decimal place. Year 1 Year 2 Number of Days’ Sales in Receivables fill in the blank 3 days fill in the blank 4 days
Hillary and Adams, Inc., is a privately owned firm located in Atlanta that serves as the regional distributor of natu-ral food products for Georgia, Kentucky, North Carolina, South Carolina, and Tennessee. They are particularlywell known for their unique blend of fiery hot Habanera sauces. Every week, a truck leaves the large distributioncenter in Atlanta to stock local warehouses located in Charlotte, North Carolina; Charleston, South Carolina;Columbia, South Carolina; Knoxville, Tennessee; Lexington, Kentucky; and Raleigh, North Carolina. The truckvisits each local warehouse only once and returns to Atlanta after all the deliveries have been completed. Thedistance between any two cities in miles is given below John Jensen, vice president of logistics at Hillary and Adams, Inc., is worried about the rising fuel costs.With a reduction in operating budgets, he is interested in finding a route that would minimize the distance trav-eled by the truck.Use the NN heuristic to identify a…
In February 2021, the Chicago Tribune reported:“The overdose epidemic that has ravaged Chicago has not spared the nearby suburbs, some of which have death rates comparable to anything seen in the city, according to a report released this week by the Cook County Department of Public Health. ZIP codes in the towns of Worth, Broadview, Maywood, and Forest Park, areas that “have substantially lower median household incomes and higher poverty rates,” have been especially hard-hit, the report said.”In the article, they claimed that lower incomes were associated with higher overdose death rates and that overdose death rates are increasing over time. The data you have been analyzing wasn’t focused on Chicago, obviously. But do your results support the general gist of the statistical argument being made in this Tribune excerpt? Please address:• Do overdose death rates appear to be associated with per capita income (use scatterplot)?• Do overdose death rates appear to be increasing over time…
Official unemployment rates for the U.S. population are reportedon a monthly basis by the Bureau of Labor Statistics.For the period October, 2011, through January, 2012, theofficial unemployment rates were 8.9% (Oct.), 8.7% (Nov.),8.5% (Dec.), and 8.3% (Jan.). (Source: U.S. Bureau of LaborStatistics, www.bls.gov.) If the unemployment rateswere to continue to decrease following a linear model,(a) predict the unemployment rate on January, 2013.(b) predict when the United States would reach a zero unemploymentrate.
A researcher is interested in the affects that a person’s avatar (i.e. visual representation of oneself) has on the number of profile views on Facebook.com. The average number of individual personal profile views is known to be 230 views per day (excluding bands, artists, etc.). The researcher creates 36 fictitious profiles that contain roughly the same information but the picture (avatar) is an animated .gif of a smiling face (36 faces randomly selected from a compilation of faces judged to be of average attractiveness). The results showed that of the 36 profiles the average number of views was 250 with a standard deviation of 60. Test the hypothesis that the average number of views for a smiling face gif is significantly different than the usual number of personal profile views.
Fernando et al. (A-3) studied drug-sharing among injection drug users in the South Bronx in New York City. Drug users in New York City use the term “split a bag” or “get down on a bag” to refer to the practice of dividing a bag of heroin or other injectable substances. A com- mon practice includes splitting drugs after they are dissolved in a common cooker, a procedure with considerable HIV risk. Although this practice is common, little is known about the preva- lence of such practices. The researchers asked injection drug users in four neighborhoods in the South Bronx if they ever “got down on” drugs in bags or shots.
. In 2010, of a total of 67,000 rooms on the Las Vegas Strip, Caesars Entertainment managed 22,880, while MGM Resorts managed over 12,000. However, owing to the Great Recession and new hotel openings, between 2008 and 2010, MGM's hotel occupancy decreased from 92% to 89%, while its average daily room rate fell from $148 to $108. Meanwhile, CityCenter, managed by MGM Resorts, and the Cosmopolitan opened with 4,000 and 3,000 rooms respectively, and the 1,720-room Sahara closed. (Sources: Caesars Entertainment Corp., Annual Report 2010; MGM Resorts, Annual Report 2010; "Sahara's closure on May 16 will mark `the end of an era'," Las Vegas Sun, March 11, 2011.) (a) Using a suitable figure, explain how the opening of CityCenter and the Cosmopolitan affects the residual demand for an existing hotel and how it should adjust prices. (b) If MGM Resorts had not reduced its room rates, what would have been the effect on occupancy? (c) Use the Cournot model to explain…
You may need to use the appropriate technology to answer this question. Suppose an institution categorizes colleges and universities on the basis of their research and degree-granting activities. Universities that grant doctoral degrees are placed into one of three classifications: moderate research activity, higher research activity, or highest research activity. The classifications for public and not-for-profit private doctoral degree-granting universities are summarized in the following table. Type ofUniversity Classification ModerateResearchActivity HigherResearchActivity HighestResearchActivity Public 28 71 96 Private 48 26 49 Test the hypothesis that the population proportions of public universities are equal in each classification category. Use a 0.05 level of significance. Find the value of the test statistic. (Round your answer to two decimal places.) Find the p-value. (Round your answer to four decimal places.) p-value =

SEE MORE QUESTIONS

Recommended textbooks for you

MATLAB: An Introduction with Applications

Statistics

ISBN:

9781119256830

Author:

Amos Gilat

Publisher:

John Wiley & Sons Inc

Probability and Statistics for Engineering and th…

Statistics

ISBN:

9781305251809

Author:

Jay L. Devore

Publisher:

Cengage Learning

Statistics for The Behavioral Sciences (MindTap C…

Statistics

ISBN:

9781305504912

Author:

Frederick J Gravetter, Larry B. Wallnau

Publisher:

Cengage Learning

MATLAB: An Introduction with Applications

Statistics

ISBN:

9781119256830

Author:

Amos Gilat

Publisher:

John Wiley & Sons Inc

Probability and Statistics for Engineering and th…

Statistics

ISBN:

9781305251809

Author:

Jay L. Devore

Publisher:

Cengage Learning

Statistics for The Behavioral Sciences (MindTap C…

Statistics

ISBN:

9781305504912

Author:

Frederick J Gravetter, Larry B. Wallnau

Publisher:

Cengage Learning

Elementary Statistics: Picturing the World (7th E…

Statistics

ISBN:

9780134683416

Author:

Ron Larson, Betsy Farber

Publisher:

PEARSON

The Basic Practice of Statistics

Statistics

ISBN:

9781319042578

Author:

David S. Moore, William I. Notz, Michael A. Fligner

Publisher:

W. H. Freeman

Introduction to the Practice of Statistics

Statistics

ISBN:

9781319013387

Author:

David S. Moore, George P. McCabe, Bruce A. Craig

Publisher:

W. H. Freeman

SEE MORE TEXTBOOKS