Fit a straight line trend to the following data on demand of steel ingots (in millions) and project the demand for the year 2009.Year2002200320042005200620072008Demand8084909398100104
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Fit a straight line trend to the following data on demand of steel ingots (in millions) and project the demand for the year 2009.Year2002200320042005200620072008Demand8084909398100104
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- It costs a pharmaceutical company 75,000 to produce a 1000-pound batch of a drug. The average yield from a batch is unknown but the best case is 90% yield (that is, 900 pounds of good drug will be produced), the most likely case is 85% yield, and the worst case is 70% yield. The annual demand for the drug is unknown, with the best case being 20,000 pounds, the most likely case 17,500 pounds, and the worst case 10,000 pounds. The drug sells for 125 per pound and leftover amounts of the drug can be sold for 30 per pound. To maximize annual expected profit, how many batches of the drug should the company produce? You can assume that it will produce the batches only once, before demand for the drug is known.The following graph shows the demand curve for uff, a useful commodity produced on the planet Hermes. The Hermetian currency is the yen. The graph input tool also shows how demand for uff is affected by changes in the average income of Hermetians, as well as the prices of tulg and snick, two other related goods available on the planet. Use the graph input tool to help you answer the following questions. You will not be graded on any changes you make to this graph. Note: Once you enter a value in a white field, the graph and any corresponding amounts in each grey field will change accordingly. Suppose that the price of a gram of uff decreased from 50 yen to 45 yen. This would cause a _____(options: movement along, shift of)the demand curve and therefore an increase in ________ (options: the demand for uff, the quantity of uff demanded) Plug any value lower than the current number into the Average Income box. A decrease in average income causes a leftward ________ (options:…The graphs shows the amount being paid in Social Security benefits and the amount going into the system. In 2004, the system’s income was $575 billion, projected to increase at an average rate of $43 billion per year. In which year will the system’s income be $1177 billion?The data for the system’s outflow can be modeled by the formulaB = 0.07x2 + 47.4x + 500,where B represents the amount paid in benefits, in billions of dollars, x years after 2004. According to this model, when willthe amount paid in benefits be $1177 billion? Round to the nearest year. How well do your answers model the data shown by the graphs?
- The number of hybrid cars that have be requested for rental from a car rental office during a 50 day sample period is given in the following table. Demand for Cars Number of Days Probability 3 3 0.06 4 7 0.14 5 12 0.24 6 14 0.28 7 10 0.20 8 4 0.08 50 1.00What is the expected (mean) number of hybrid rentals per day? Compute to one decimal place.North Dakota Electric Company estimates its demand trend line (in millions of kilowatt hours) to be: D = 80.0 + 0.43Q, where Q refers to the sequential quarter number and Q = 1 for winter of Year 1. In addition, the multiplicative seasonal factors are as follows: Quarter Factor (Index) Winter 0.80 Spring 1.25 Summer 1.45 Fall 0.50 In year 26 (quarters 101-104), the energy use for each of the quarters beginning with winter is (round your response to one decimal place): Quarter Energy Use Winter 98.798.7 Spring nothingNorth Dakota Electric Company estimates its demand trend line (in millions of kilowatt hours) to be: D = 80.0 + 0.43Q, where Q refers to the sequential quarter number and Q = 1 for winter of Year 1. In addition, the multiplicative seasonal factors are as follows: Quarter Factor (Index) Winter 0.80 Spring 1.25 Summer 1.45 Fall 0.50 In year 26 (quarters 101-104), the energy use for each of the quarters beginning with winter is (round your response to one decimal place):
- As part of their application for a loan to buy Lakeside Farm, a property they hope to develop as a bed-and-breakfast operation, the prospective owners have projected: Monthly fixed cost (loan payment, taxes, insurance, maintenance) $6000 Variable cost per occupied room per night $ 20 Revenue per occupied room per night $ 75 Write the expression for total cost per month. Assume 30 days per month. Write the expression for total revenue per month. How many rooms they need to sell per night in order to break even? Suppose 5 rooms can be sold per night, how much they should charge per night in order to breakeven?A manager uses this equation to predict demand for landscaping services: Ft = 14 + 4t. Over the past eight periods, demand has been as follows: Period, t: 1 2 3 4 5 6 7 8 Demand: 20 25 25 35 35 40 45 50 Compute the tracking signals for Periods 1-8. (Negative values should be indicated by a minus sign. Round your intermediate calculations and final answers to 3 decimal places.) Period t Tracking Signal 1 2 3 4 5 6 7 8A retailer has 7 stores in different cities in northern Ontario. The weekly demand for each store follows the normal distribution with a mean value of 60 and a standard deviation of 10. The retailer is planning to use a single centralized store in northern Ontario and they think the demand in the single store will be equal to the sum of the demand in all 7 cities. It takes 3 weeks for the supplier to send the products to the retailer. Calculate the safety stock for the centralized and decentralized cases if the correlation of demands between different cities is 0.3. Assume the planned customer service level is 98%. Please post answer in excel showing formula and answer
- A landscaping company want to plan for the number of employees it needs to hire for upcoming year. In order to do planning it is good to know the demand for landscape for the previous years. The following table shows the demand for landscaping from 2019 to 2020. Help the company to forecast the demand for 2021. Period Demand Winter 2019 23 Spring 2019 1000 Summer 2019 1300 Fall 2019 200 Winter 2020 34 Spring 2020 1050 Summer 2020 1340 Fall 2020 330 show workAssume the weight is 0.6 for the most recent period; 0.2 for the second most recent; 0.1 for the third most recent; and 0.1 for the fourth most recent period. Using the four-period weighted moving average technique to predict the demand in February 2019. Find the X and Y values. Dt Ft Period Demand Four-period weighted Moving Average 2014 September 9400 October 10300 November 11200 December 4998 2015 January 9800 7209 February 9555 X March 9800 Y Group of answer choices X = 9899.8; Y = 9778.2 X = 9312.8; Y = 9555.2 X = 9029.6; Y = 9312.8 X = 9555.0; Y = 9313.7 X = 9872.4; Y = 9029.4The number of disk drives (in millions) made at a plant in China during the past 5 years follows: Year Disc drives 1 140 2 160 3 190 4 200 5 210 Forecast the number of disk drives to be made next year, using linear regression