Problem 4S-7 (Algo) A production line has three machines A, B, and C, with reliabilities of .90, .95, and .96, respectively. The machines are arranged so that if one breaks down, the others must shut down. Engineers are weighing two alternative designs for increasing the line's reliability. Plan 1 involves adding an identical backup production line (consisting of identical machines A,B, and C), and plan 2 involves providing a backup machine for each machine. In either case, three machines (A, B, and C) would be used with reliabilities equal to the original three. a. Compute overall system reliability under Plan 1. (Round your intermediate calculations and final answer to 4 decimal places.) Reliability b. Compute overall system reliability under Plan 2. (Round your intermediate calculations and final answer to 4 decimal places.) Reliability
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- Q4: suppose a particular Ford Plant can build Escort at a rate of one every hr., explorer at a rate of one every 1.5 hr and Lincoln navigator at a rate of one every 2 hr. the vehicles get 25, 15 and 10 miles per gallon of fuel respectively and congress mandates that the average fuel economy of vehicles produced at least 18 miles of all per gallon. Ford loses $1000 on each Escort, but makes a profit of $ 5000 on each Explorer and $ 15000 on each Navigator. Formulate this problem to maximize the profit of ford in one 8 hr-day.A machine was purchased one year ago. Presently, the market value is $16,000 and it declines by $3,000 every year. For the next 3 years, the maintenance costs are as follows: Year Maintenance costs 1 $890 $1,290 $1,690 2 3 What is the marginal cost of extending the service for the 3rd year? A. $2,690 В. $5,490 C. $4,690 D. $5,690Problem 13-21 (Algorithmic) A real estate investor has the opportunity to purchase land currently zoned residential. If the county board approves a request to rezone the property as commercial within the next year, the investor will be able to lease the land to a large discount firm that wants to open a new store on the property. However, if the zoning change is not approved, the investor will have to sell the property at a loss. Profits (in thousands of dollars) are shown in the following payoff table: State of Nature Rezoning Approved Rezoning Not Approved Decision Alternative S1 S2 Purchase, d1 630 -220 Do not purchase, d2 0 0 a. If the probability that the rezoning will be approved is 0.5, what decision is recommended?Recommended decision = PURCHASE What is the expected…
- Ann Archibald has ambition to be on the County Governing Board. Her staff has determined the breakdown of tasks needed to secure the election. The following network depicts the breakdown. ( see atttached picture ) Her staff also has estimated the normal and crash times and costs for tasks involved in the breakdown. The information is summarized below. The campaign starts on 4/1/2022. Task Time Estimates (Weeks) Cost Estimates ($) Normal Crash Normal Crash A1 6 4 5,000 10,000 B2 3 3 4,000 4,000 C 10 8 4,000 7,000 D 4 2 1,000 2,000 E 2 1 1,000 2,000 F 3 1 4,000 7,600 G 5 4 7,000 12,000 H 7 5 8,000 14,000 I 2 2 1,200 1,200 J 4 3 5,000 5,800 K 8 6 13,000 15,000 L 5 5 6,000 6,000 M 4 4 2,500 2,500 1 Task A can be crashed by 2 weeks at an additional cost of $5000 ($2,500/week). 2 Task B cannot be crashed. Ann has…Simulation Task: Torque-Speed Characteristic of a Separately Excited DC Motor 1. Place the following blocks, connect them as shown in Figure 3, and adjust their settings as given. • DC Machine o In the "Configuration" tab, from the "Preset model" choose 01:5HP 240V 1750RPM Field: 300V. o Keep the default settings of the "Parameters" tab, and the "Advanced" tab. • DC Voltage Source o Amplitude = 240V for the terminal voltage. o Amplitude=300V for the field voltage. • Bus Selector o Double click and select Speed wm (rad/s). . Constant, Display, Gain, and powergui.QUESTION 2 Searching for ways to cut costs and increase profit, one of the industrial engineers at Home Comfort Furniture Manufacturers, Inc. determined that the equivalent annual worth of an existing machine over its remaining useful life of 2 years is $-65,000 per year. The IE also determined that used machines like the one currently in use are not available any longer, but the defender can be replaced with a challenger that is more advanced. It will have an AW of $-78,550 if it is kept for 2 years or less, $-72,075 if it is kept between 3 and 4 years, and $-65,000 if it is kept for 5 to 10 years. If the company uses a specified 3-year planning horizon and an interest rate of 14% per year. Using Replacement Study, select: a. Replace now with challenger for all 3 years b. Keep the defender for 2 years and then replace it with the challenger for 1 year c. Keep the defender for 1 years and then replace it with the challenger for 2 years
- Percentage Service Provided toDepartment Cost S1 S2 P1 P2Service 1 (S1) $ 112,000 0% 40% 40% 20%Service 2 (S2) 44,000 20 0 40 40Production 1 (P1) 345,000Production 2 (P2) 216,000Total $ 717,000Brief Exercises 7-15 and 7-16 require the following information:7-15 What percentage of S1’s costs is allocated to P1 and to P2 under the direct method?7-16 What percentage of S2’s costs is allocated to P1 and to P2 under the direct method?eBook Problem 8-21 (Algorithmic) Round Tree Manor is a hotel that provides two types of rooms with three rental classes: Super Saver, Deluxe, and Business. The profit per night for each type of room and rental dass is as follows: Room Type 1 Type II Rental Class Super Saver $37 $18. Deluxe $40 $33 Business $35 Type I rooms do not have wireless Internet access and are not available for the Business rental class. Round Tree's management makes a forecast of the demand by rental class for each night in the future. A linear programming model developed to maximize profit is used to determine how many reservations to accept for each rental class. The demand forecast for a particular night is 125 rentals in the Super Saver > class, 50 rentals in the Deluxe class, and 10 rentals in the Business class. Round Tree has 110 Type 1 rooms and 120 Type II rooms.ACTIVITY CONNECT THE ARROW I Danger to health O Investigation of hazard I Crucial for containment O Handling of conditions O Position in the process HAZARD ANALYSIS CRITICAL CONTROL POINTS
- Required information Problem 9-2 [The following information applies to the questions displayed below.] An air-conditioning repair department manager has compiled data on the primary reason for 41 service calls for the previous week, as shown in the table. JobNumber Problem/Customer Type JobNumber Problem/Customer Type JobNumber Problem/Customer Type 301 O/C 315 W/R 329 N/C 302 N/C 316 F/R 330 O/R 303 F/R 317 F/R 331 N/R 304 O/R 318 N/R 332 W/C 305 F/R 319 F/R 333 W/C 306 N/R 320 N/R 334 N/R 307 N/C 321 O/C 335 F/C 308 O/R 322 W/C 336 W/C 309 N/R 323 F/R 337 F/C 310 N/C 324 O/C 338 N/R 311 O/C 325 W/C 339 N/R 312 O/R 326 N/C 340 N/C 313 N/R 327 O/R 341 N/R 314 O/R 328 N/R Key: Problem type: Customer type: N = Noisy C = Commercial customer F = Equipment failure R = Residential customer W = Runs warm O = Odor Problem 9-2 Part a a. Using the data, prepare a check sheet for the problem…Quarter 2 Flora Co intends to expand the business to include a home delivery service. The delivery van is expected to cost $20,000 and the business has a 60% chance of the new delivery service being successful. The following decision tree has been produced to represent this decision. The final profit figures in the decision tree are based upon whether demand is good or poor for the new delivery service. Expand Cost of van ($20,000) Key D Don't expand Decision Outcome Success 0.6 Failure 0.4 A B Good 0.7 Poor 0.3 Good 0.2 Poor 0.8 $600,000 $100,000 $10,000 $8,000 $0Please answer the 2 question. thank you