Experts only. Please use only the methods contained in the book and show all work and calculations. Book: Jackson, S. L. (2012) Research methods and statistics: A critical thinking approach. Experts only. Please use only the methods in the applicable chapters. Show all work and c...
10 Aug 2020(Note: Questions 1- 4 have additional elements to respond to below the analysis results and included in the Week Two Assignment sheet are 2 one-sample t-tests comparing male and female average salaries to the overall sample mean.) Week 2 Testing means with the t-test For question...
10 Aug 2020STAT 400 Lecture BL1 Fall 2014 Dalpiaz Homework #6 (due Friday, November 14, by 2:00 p.m.) Please include your name ( with your last name underlined ), your NetID, and your discussion section number at the top of the first page. No credit will be given without supporting work. 1....
10 Aug 2020A B C D E F G 1 H HW 9 ¬ THE FREIGHT CAR UNLOADING PROBLEM 2 3 Inputs: Comments 4 Cost of Holdovers $2,000 5 Cost of Wages $200 6 Number of Workers 3 7 Arrivals Probability Average arrivals per day = 10%*030%*120%*2 etc. = 8 0 10% 2.25 cars arriving per day. 9 1 30% Therefore, if...
10 Aug 2020Political Science 2101 Scope and Methods in Political Science Second Problem Set Instructions: On a separate sheet, provide answers to the following questions. Be sure to show your work. You will be assessed on the basis of your effort in completing these problems. 1. Below is a ...
10 Aug 2020A business school placement director wants to estimate the mean annual salaries 5 years after students graduate. A random sample of 25 such graduates found a sample mean of $42,740 and a sample standard deviation of $4,780. Find a 90% confidence interval for the population mean, ...
10 Aug 2020Cooper Huntington is the manager of the upstate store of a large retailer of farm products. His company is a stable, consistently profitable member of the farming industry. The upstate store is doing fine despite severe drought conditions in the area. At the first of the year, co...
10 Aug 2020Sevilla Consulting offers environmental consulting services worldwide. The managers of branch offices are rewarded for superior performance with bonuses based on the economic value that the office adds to the company. Last year’s operating results for the entire company and for i...
10 Aug 2020Wood4Fun makes wooden playground equipment for the institutional and consumer markets. The company strives for low-cost, high-quality production because it operates in a highly competitive market in which product price is set by the marketplace and is not based on production cost...
10 Aug 2020A citizen (player 1) must choose whether or not to file taxes honestly or whether to cheat. The tax man (player 2) decides how much effort to invest in auditing and can choose ? ? [0? 1], and the cost to the tax man of investing at a level ? is ?(?) = 100?2. If the citizen is hon...
10 Aug 2020Two candidates are competing in a political race. Each candidate ? can spend ?? = 0 on adds that reach out to voters, which in turn increases the probability that candidate ? wins the race. Given a pair of spending choices (?1? ?2), the probability that candidate ? wins is given ...
10 Aug 2020Imagine a kicker and a goalie who confront each other in a penalty kick that will determine the outcome of the game. The kicker can kick the ball left or right, while the goalie can choose to jump left or right. Because of the speed of the kick, the decisions need to be made simu...
10 Aug 2020Bozoni is a renowned Swiss maker of fruit and vegetable juice, whose products are sold at specialty stores around Western Europe. Bozoni is considering whether to add cherimoya juice to its line of products. “It would be one of our more difficult varieties to produce and distribu...
10 Aug 2020The Record-a-Song Company has contracted with a rising star to record eight songs. The durations of the different songs are 8,3,5,5,9,6,7, and 12 minutes, respectively. Recorda- Song uses a two-sided cassette tape for the recording. Each side has a capacity of 30 minutes. The ...
10 Aug 2020In a dairy barn there are two water troughs (i.e. drinking places). From each trough only one cow can drink at the same time. When both troughs are occupied new arriving cows wait patiently for their turn. It takes an exponential time to drink with mean 3 minutes. Cows arrive at ...
10 Aug 2020A correction in the February 14-21, 2005 issue of The New Yorkermagazine stated that the January 3 issue of that year “contained the incorrect statistic that fourfifthsof Bush voters identified moral values as the most important factor in their decision. Infact, four-fifths of th...
10 Aug 2020The table below shows the political affiliation of American voters and theproportion favoring or opposing the death penalty within the 6 categories defined by three valuesof party affiliation and 2 opinions.Death Penalty OpinionParty Favor OpposeRepublican 0.26 0.04Democrat 0.12 ...
10 Aug 2020A statistics professor has been involved in a collaborative research project with two entomologists. The statistics part of the project involves fitting regression models to large data sets. Together they have written and submitted a manuscript to an entomology journal. The manus...
10 Aug 2020A story by James R. Hagerty entitled With Buyers Sidelined, Home Prices Slide published in the Thursday October 25, 2007 edition of the Wall Street Journal contained data on so-called fundamental housing indicators in major real estate markets across the US. The author argues th...
10 Aug 2020Elsbeth Home Furnishing Ltd. assembles dining room tables using bought-in parts of four legs and a top. These have lead times of two and three weeks respectively, and assembly takes a week. The company receive orders for 40 tables to be delivered in week 5 of a production period ...
10 Aug 2020Reconsider Prob. 19.5-1 involving Henry Edsel’s car dealership. The current model year is almost over, but the Tritons are selling so well that the current inventory will be depleted before the end-of-year demand can be satisfied. Fortunately, there still istime to place one m...
10 Aug 2020Swanson’s Bakery is well known for producing the best fresh bread in the city, so the sales are very substantial. The daily demand for its fresh bread has a uniform distribution between 300 and 600 loaves. The bread is baked in the early morning, before the bakery opens for b...
10 Aug 2020Type oSwanson’s Bakery is well known for producing the best fresh bread in the city, so the sales are very substantial. The daily demand for its fresh bread has a uniform distribution between 300 and 600 loaves. The bread is baked in the early morning, before the bakery opens...
10 Aug 2020A newspaper stand purchases newspapers for $0.36 and sells them for $0.50. The shortage cost is $0.50 per newspaper (because the dealer buys papers at retail price to satisfy shortages). The holding cost is $0.002 per newspaper left at the end of the day. The demand distribut...
10 Aug 2020One of the largest selling items in J.C. Ward’s Department Store is a new model of refrigerator that is highly energy-efficient. About 40 of these refrigerators are being sold per month. It takes about a week for the store to obtain more refrigerators from a wholesaler. The d...
10 Aug 2020Tim Madsen is the purchasing agent for Computer Cen-ter, a large discount computer store. He has recently added thehottest new computer, the Power model, to the store’s stock ofgoods. Sales of this model now are running at about 13 per week.Tim purchases these customers directly ...
10 Aug 2020Cindy Stewart and Misty Whitworth graduated from busi-ness school together. They now are inventory managers for compet-ing wholesale distributors, making use of the scientific inventorymanagement techniques they learned in school. Both of them arepurchasing 85-horsepower speedboa...
10 Aug 2020Kris Lee, the owner and manager of the Quality Hard-ware Store, is reassessing his inventory policy for hammers. Hesells an average of 50 hammers per month, so he has been placingan order to purchase 50 hammers from a wholesaler at a cost of$20 per hammer at the end of each month...
10 Aug 2020The Blue Cab Company is the primary taxi company inthe city of Maintown. It uses gasoline at the rate of 8,500 gallonsper month. Because this is such a major cost, the company hasmade a special arrangement with the Amicable Petroleum Com-pany to purchase a huge quantity of gasoli...
10 Aug 2020Tim Madsen is the purchasing agent for Computer Cen-ter, a large discount computer store. He has recently added thehottest new computer, the Power model, to the store’s stock ofgoods. Sales of this model now are running at about 13 per week.Tim purchases these customers directly ...
10 Aug 2020The demand for a product is 600 units per week, andthe items are withdrawn at a constant rate. The setup cost for plac-ing an order to replenish inventory is $25. The unit cost of eachitem is $3, and the inventory holding cost is $0.05 per item perweek.(a) Assuming shortages are ...
10 Aug 2020Suppose that the demand for a product is 30 units permonth and the items are withdrawn at a constant rate. The setupcost each time a production run is undertaken to replenish inven-tory is $15. The production cost is $1 per item, and the inventoryholding cost is $0.30 per item pe...
10 Aug 2020Suppose that production planning is to be done for the next 5 months, where the respective demands are r1 ? 2, r2 ? 4, r3 ? 2, r4 ? 2, and r5 ? 3. The setup cost is $4,000, the unit production cost is $1,000, and the unit holding cost is $300. Use the deterministic periodic-revie...
10 Aug 2020Foster Drugs, Inc., handles a variety of health and beauty aid products. A particular hair conditioner product costs Foster $2.95 per unit. The annual holding cost rate is 20 percent. Using an EOQ model,they determined that an order quantity of 300 units should be used. The lead ...
10 Aug 2020Upon closer inspection, the supplier determines that the demand for batteries is normally distributed with mean 4 batteries per day and standard deviation 3 batteries per day. (The supplier is open 300 days per year.) It usually takes about 4 days to receive an order from the fac...
10 Aug 2020A subgame perfect equilibrium is a Nash equilibrium thatcannot persist through several periods.involves only credible threats.consists only of dominant strategies.is unique.
10 Aug 2020A survey recently reported that the mean national annual expenditure for inpatient andoutpatient services of all persons over 64 years of age was $5,423 with a standarddeviation of $979. A random sample of 352 persons over age 64 living in Sudbury had anaverage expense of $5,516....
10 Aug 2020We have seen that outliers can produce problematic results. Rank the following measures inorder or “least affected by outliers” to “most affected by outliers”.a) mean, median, rangeb) median, mean, rangec) range, median, meand) median, range, meane) range, mean, median
10 Aug 2020A manufacturing firm produces a single product whose selling price is Rs. 16 per unit and the variable cost per unit is Rs. 12. If the annual fixed costs are estimated to be 120000; find the break-even point in units, in rupees, and as a percentage of capacity, if the firm has an...
10 Aug 2020An example of decision analysis under uncertaintyA manufacturer makes a product, of which the principal ingredient is a chemical X. At the moment, the manufacturer spends Rs. 1000 per year on the supply of X, but there is a possibility that the price may soon increase to four tim...
10 Aug 2020Customers arrive at an automated coffee vending machine at a rate of 4 per minute, following a Poisson distribution. The coffee machine dispenses a cup of coffee in exactly 10 seconds.a) What is the average number of people waiting in line?
10 Aug 2020Allen Machines specializes in developing weed-harvesting equipment that is used to clear small lakes of weeds. Allen Machines is contemplating the construction of a machine that would harvest weeds on narrow rivers and waterways. The activities and time in weeks necessary to buil...
10 Aug 2020Three fires have just broken out in New York. Fires 1 and 2 each require two fire engines, and fire 3 requires three fire engines. The “cost” of responding to each fire depends on the time at which the fire engines arrive. Let tij be the time (in minutes) when the jth engine arri...
10 Aug 2020Determining the Effect of Process Parameters on the Size of Chitosan MicrospheresBackground.Immobilized enzymes have great importance in industrial bioprocesses especially in food, nutritional and pharmaceutical technologies. When immobilized the generally expensive biocatalysts ...
10 Aug 2020A bank is trying to determine which of two machines should be rented to process checks. Machine 1 rents for $10,000 per year and processes 1,000 checks per hour. Machine 2 rents for $15,000 per year and processes 1,600 checks per hour. Assume that the machines work 8 hours a day,...
10 Aug 2020At the beginning of year 1, a new machine must be purchased. The cost of maintaining a machine i... Minimize x 240At the beginning of year 1, a new machine must be purchased. The cost of maintaining a machine i years old is given in Table.Age at Beginning of YearMaintenance Cost...
10 Aug 2020A large manufacturing company has had a very difficult time for the last couple of years in the market itoperates.Its Board of Directors must now decide whether or not a new factory should be built and the size of the factory.The MD of the company suggests that the company should...
10 Aug 2020A machine operator processes two types of jobs, A and B, during the course of the day. Analyses of past data show that 40% of all jobs are type A jobs, and 60% are type B jobs. Type A jobs have completion times that can be represented by an Erlang distribution with rate parameter...
10 Aug 2020Suppose we are considering the selection of the reorder point, R, of a (Q, R) inventory policy. With this policy, we order up to Q when the inventory level falls to R or less. The probability distribution of daily demand is given in Table.Daily Demand (units)Probability12.0513.15...
10 Aug 2020A machine operator processes two types of jobs, A and B, during the course of the day. Analyses of past data show that 40% of all jobs are type A jobs, and 60% are type B jobs. Type A jobs have completion times that can be represented by an Erlang distribution with rate parameter...
10 Aug 2020
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